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Prices may varyThis product ranks #9 of 12 in Combination Wrenches.Three above it ↓
Last reviewed June 17, 2026
TL;DR A 9-piece SAE-only combination set covering 1/4 to 3/4 inch with 12-point box ends and a labeled roll pouch. All critical SAE sizes are present, but no metric coverage, which rules it out for any import vehicle or mixed-fleet garage.
The Klein Tools 68402 is a 9-piece SAE combination wrench set spanning 1/4 through 3/4 inch (1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in). Every critical SAE size is in the set. No metric sizes are included. Box ends are 12-point, offset 15 degrees for clearance over obstructions; open ends are also offset 15 degrees for confined working areas. The steel is described as alloy steel, forged and drop-hardened; the specific alloy grade is not published. Community evidence for this SKU is limited. No jaw-spread or fastener-rounding complaints appear in the available reviews. An isolated chrome-finish complaint (rough surface texture) appears in the available review sample, with no documented pattern of failure across multiple reviewers. The labeled roll pouch earns positive mentions for easy size identification.
The right fit for a home mechanic or tradesperson who works exclusively on domestic vehicles requiring SAE fasteners and wants Klein Tools quality in a compact 9-piece set for a truck bed or job-site bag. Skip it if your garage services import vehicles or a mixed fleet: missing 10 mm, 13 mm, 17 mm, and 19 mm metric sizes means this set cannot cover most engine bay or undercarriage fasteners on any Japanese, Korean, or European vehicle. Skip it also if you regularly work on corroded or stuck undercarriage fasteners where a 6-point wrench set reduces rounding risk.
No chemical exposure pathway. The 68402 is an alloy steel hand tool with no SDS. The steel body is recyclable through standard ferrous scrap streams; the nylon roll pouch is not. A quality forged alloy-steel combination set is a long-use tool: the environmental footprint per fastener-turn over years of garage use is low. Eye and hand protection during mechanical work reflects the task environment, not any chemistry in the tool itself.
No. The 68402 is a SAE-only set covering 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, and 3/4 inches. No metric sizes are included. If your vehicle requires 10 mm, 13 mm, 17 mm, or 19 mm wrenches for engine bay or undercarriage work, this set will not cover those fasteners. A separate metric set or a dual-system set covering both SAE and metric is needed for mixed domestic-import vehicle work.
The Klein Tools 68402 uses 12-point box ends, the standard geometry for most consumer combination wrench sets. A 12-point box end engages the fastener at 30-degree intervals and applies force at the corners of the hex. This is functional for most automotive work, but a 6-point box end applies torque on the flat faces of the fastener and is meaningfully better for recovering corroded or already-rounded fasteners without rounding the head further.
Amazon lists a Prop 65 warning for this ASIN, as is standard for most chrome-plated steel hand tools. The warning typically references trace lead or chromium from the plating process. Per the wrench-set rubric, chrome-plated tools carry this labeling industry-wide as a regulatory-labeling flag, not as evidence of an exposure pathway in normal hand-tool use. The Klein Tools 68402 health score is 9.5, reflecting a physical hand tool with no chemical exposure in use.
The 68402 includes nine SAE combination wrenches: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, and 3/4 inch. Each wrench has a 12-point box end offset at 15 degrees and an open end offset at 15 degrees for clearance in confined spaces. The set ships in a roll pouch with a labeled pocket for each wrench size. The individual wrench model numbers are 68410 through 68418.
Klein Tools has manufactured hand tools since 1857 and carries a strong reputation in the trades. The 68402 is described as drop-forged alloy steel, hardened and tempered. In the available owner reviews, no jaw-spread or fastener-rounding complaints appear. An isolated chrome-finish complaint appears in the available review sample. Long-term community durability data for this specific 9-piece set is limited given its modest review base, but the brand's warranty track record for hand tools is generally well-regarded.
Marketing copy from Klein Tools, via Amazon. Not editorial.
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