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CarCareTruthProducts · Ranked

Gasoila Free-All Deep Penetrating Oil

Amazon's Choice#7 in Power Tool Lubricants
$14.99

Priced as of May 21, 2026

4.6(7,589 ratings)Subscribe & Save: $14.24 (5% off)Buy on Amazon

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About this product's hazards. This product's Safety Data Sheet uses signal word danger. Read the manufacturer's SDS and follow all safety instructions before use. CarCareTruth ratings translate the manufacturer's safety sheet. They do not replace the SDS or substitute for a hazard assessment specific to your task.

Health score is for adult use as intended, per the manufacturer's SDS. It does not model child ingestion, accidental spill cleanup, or off-label use. See the safety panel below for full hazard classification, and /disclaimer for the full editorial scope.

From the Safety Data Sheet

Full SDS ↗ (rev. 2025-12-02)

GHS hazard codes are quoted from the manufacturer’s Safety Data Sheet. PPE tiers below translate those codes and the listed ingredient chemistry; they are not CarCareTruth recommendations.

EyesRecommendedMfr. SDS §8 · 29 CFR 1910.133(a)(1) · GHS H319
SkinSituationalMfr. SDS §8 · 29 CFR 1910.138(a) · GHS H315
LungsRecommendedMfr. SDS §8 · 29 CFR 1910.134(a) · GHS H332
VentilationNo PPE in published sources

Show details for all categories ▾

EyesRecommended

From the manufacturer’s Safety Data Sheet, Section 8

SDS §2 classifies Eye Damage/Irritation Category 2A (H319) at the mixture level — aerosol mist is the primary exposure pathway.

Gasoila

U.S. regulatory standard

29 CFR 1910.133(a)(1)

The employer shall ensure that each affected employee uses appropriate eye or face protection when exposed to eye or face hazards from… liquid chemicals…

ANSI Z87.1 (incorporated via §1910.6)

OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.

UN GHS hazard statement

H319

Causes serious eye irritation

UN GHS Rev. 9 (2021)

CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.

SkinSituational

From the manufacturer’s Safety Data Sheet, Section 8

SDS §2 classifies Skin Irritation Category 2 (H315) at the mixture level — brief incidental contact during spray application is the typical exposure; prolonged or repeated contact is the relevant trigger.

Gasoila

U.S. regulatory standard

29 CFR 1910.138(a)

appropriate hand protection when employees' hands are exposed to hazards such as those from… chemicals which produce an adverse effect on the skin or eyes…

OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.

UN GHS hazard statement

H315

Causes skin irritation

UN GHS Rev. 9 (2021)

CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.

LungsRecommended

From the manufacturer’s Safety Data Sheet, Section 8

SDS §2 classifies STOT SE Category 3 (H335, respiratory irritation) and Acute Toxicity Inhalation Category 4 (H332) at the mixture level — aerosol mist from spray application is the primary inhalation exposure pathway.

Gasoila

U.S. regulatory standard

29 CFR 1910.134(a); 1910.1200(f)

The employer shall assess the workplace to determine if hazards are present, or are likely to be present, which necessitate the use of personal protective equipment.

OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.

UN GHS hazard statement

H332

Harmful if inhaled

UN GHS Rev. 9 (2021)

CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.

Ventilation

The published Safety Data Sheet for this product does not specify ventilation protection for consumer use.

Workplace context

29 CFR 1910.134(a); 1910.1000

the primary objective shall be to prevent atmospheric contamination [via] accepted engineering control measures (for example, enclosure or confinement of the operation, general and local ventilation, and substitution with less toxic materials).

Triggered by GHS H335 on the SDS.

OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.

PPE tiers translate the manufacturer’s SDS and U.S. regulatory standards. Not professional safety advice. How we report safety.

The Podium · Top 3 in Penetrating Oil / Multi-Purpose Lubricant

See the full ranking →

This product ranks #7 of 11 in Penetrating Oil / Multi-Purpose Lubricant.Three above it ↓

CCT

CarCareTruth's Analysis

Last reviewed May 26, 2026

TL;DR DANGER-rated aerosol with a Prop 65 warning for cancer and reproductive toxicity — a Prop 65-listed chemical in the carrier is confirmed on the SDS §15 and product label. Amazon verified-purchase reviewers (4.6★ across 7,589 reviews) confirm reliable penetration on seized fasteners. Aerosol mist in enclosed spaces is the primary inhalation concern.

What it is and how it performs

Free-All penetrates corroded threads and breaks rust's grip on seized fasteners. The thin, fast-wicking formula reaches tight clearances above average for this category, and Amazon verified-purchase reviewers (4.6★ across 7,589 reviews) consistently describe reliable release on stuck bolts and rusted pipe connections. Community reviews confirm results on light-to-moderate rust within 10–20 minutes. A residual film protects against re-seizure for several weeks. Silicone-free and paint-safe per SDS chemistry.

Who should buy this — and who should skip it

A solid reach for home mechanics and farm or industrial maintenance users with occasional stuck-fastener work. Anyone applying penetrating oil regularly in enclosed spaces should use this outdoors or with genuine ventilation — aerosol mist is the primary inhalation risk, and the DANGER classification and Prop 65 warning compound with repeated exposure.

Safety and environmental impact

DANGER signal word driven by an aspiration hazard if swallowed — do not induce vomiting if ingested, seek medical attention. Prop 65 warning for cancer and reproductive toxicity: a Prop 65-listed chemical in the carrier is confirmed on SDS §15. The SDS classifies respiratory irritation and harmful-if-inhaled at the mixture level; aerosol mist from spray application is the primary inhalation pathway. Eye and skin irritation also classified at mixture level.

Environmental: one petroleum distillate ingredient is aquatically toxic at the ingredient level. VOC estimated ~255 g/L. Not rinse-off — residue stays on treated fasteners.

Frequently asked questions

Is Gasoila Free-All Deep Penetrating Oil safe to use?

The Safety Data Sheet for Gasoila Free-All Deep Penetrating Oil carries a DANGER signal word, with classified hazards including H222 (extremely flammable aerosol); H280 (contains gas under pressure; may explode if heated); H229 (pressurized container: may burst if heated). The Amazon listing also carries a California Prop 65 warning. See the PPE breakdown above for use-case-specific guidance translated from the SDS hazard codes.

How does Gasoila Free-All Deep Penetrating Oil score on CarCareTruth?

CarCareTruth scores Gasoila Free-All Deep Penetrating Oil at 5.8 out of 10 on the composite CCT score, with a health sub-score of 2.5/10. The CCT score blends real-world effectiveness, ingredient health impact pulled from the manufacturer's safety sheet, and environmental footprint against a published category rubric. See the methodology link on this page for the full scoring breakdown.

What's in Gasoila Free-All Deep Penetrating Oil?

Per the Safety Data Sheet ingredient disclosure: SDS §3 (rev. 2025-12-02): Carbon Dioxide (CAS 124-38-9) 0.1–10%; Distillates, petroleum, hydrotreated light (CAS 64742-47-8) 5–15%; Petroleum Oil, hydrotreated heavy naphthenic (CAS 64742-52-5) 25–35%; Oleic Acid (CAS 112-80-1) 25–35%; Methyl Isobutyl Ketone (CAS 108-10-1) 15–25%.

From the manufacturer

Marketing copy from Gasoila, via Amazon. Not editorial.

  • Advanced Rust Penetration: Our cutting-edge lubricant formula seeks out and dissolves rust at the molecular level, eating away the corrosion that binds parts together. Free All works on a wide range of applications, from rusted pipe connections to machine screws and universal joints.
  • Multi-Surface Safe: Free All’s silicone-free formula ensures safety in body shops and painted environments. It won’t ruin plastic or delicate finishes, making it perfect for automotive and industrial use. You can spray with confidence knowing your workspace and tools are protected.
  • Effortless Application: Stop wasting time torching, drilling, hammering, or chiseling. Free All eliminates the need for brute force, allowing you to save time and reduce frustration. Simply spray, wait a moment for it to work, and enjoy the satisfaction of freed parts.
  • Unmatched Versatility: Free All Lubricant isn’t limited to one industry. Whether you’re working on cars, boats, farm equipment, or industrial machinery, this product has you covered. From rusted mufflers and tailpipes to stubborn clamps and locks, Free All is your go-to solution.
  • Precision Spray Technology: The 11 oz aerosol can is equipped with a precision spray nozzle, delivering pinpoint accuracy to target rust in hard-to-reach places. This makes it perfect for intricate tasks where traditional rust removers fail to perform.

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Manufacturer videos

Manufacturer images

Gasoila Free-All Deep Penetrating Oil — image 1
Gasoila Free-All Deep Penetrating Oil — image 2
Gasoila Free-All Deep Penetrating Oil — image 3
Gasoila Free-All Deep Penetrating Oil — image 4
Gasoila Free-All Deep Penetrating Oil — image 5
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Gasoila Free-All Deep Penetrating Oil — image 12
Gasoila Free-All Deep Penetrating Oil — image 13
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Gasoila Free-All Deep Penetrating Oil — image 15
Manufacturer specifications
Material
Graphite
Brand
Gasoila
Package Information
Can
Liquid Volume
11 Fluid Ounces
Item Weight
11 Ounces
Brand Name
Gasoila
Recommended Uses For Product
Automotive, Industrial
Specific Uses For Product
Metal and Metal Joints
Item Form
Spray
Global Trade Identification Number
00686081080188, 20686081080182
Manufacturer
FedPro
Unit Count
11.0 Ounce

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