Tekton WCB94203 27-Piece Combination Wrench Set (6–32 mm)

The WCB94203 is a 27-piece metric combination wrench set spanning 6 mm through 32 mm in 1 mm increments — every size in the range is included. The four most-used metric automotive sizes (10, 13, 17, and 19 mm) are all present; the set also reaches 22, 24, and 32 mm for suspension and larger drivetrain fasteners. There are no SAE sizes in this SKU — buyers who need both systems should look at Tekton's 25- or 34-piece combo-system siblings. Construction is alloy steel (Cr-V per the broader Tekton combo-wrench family, though the specific alloy is unconfirmed for this part number from the manufacturer's product page). Box ends are 12-point with 15° offset; open ends are angled 15° for flip-over repositioning. At 69 reviews and a 2024 release date, long-term jaw-durability evidence is still accumulating — no jaw-spread or chrome-failure reports exist in the available sample. The red nylon roll pouch uses individual elastic loops per wrench and hook-and-loop closure tabs.

Right pick for a home mechanic who services metric-dominant import vehicles — specifically any owner who needs seamless 6–32 mm coverage without buying a second SAE set and who wants a brand with a community-credible no-receipt lifetime warranty. The 27-piece span covers every common engine bay, brake, suspension, and undercarriage fastener on metric-dominant vehicles. Skip this if you also regularly work on domestic vehicles that require SAE sizes — the metric-only gap means you will still need a separate SAE set, and Tekton's own combo-system sets cover both. Also skip if you frequently recover corroded or already-rounded fasteners — a 6-point wrench set applies torque on the flat faces of the hex rather than the corners and is the correct tool for that job.

No chemical exposure pathway — chrome-plated alloy steel hand tool with no SDS; the health score of 9.5 reflects physical-use safety only. The steel body is recyclable through standard ferrous scrap streams; the nylon roll pouch is not. A quality combination wrench set from a lifetime-warranty brand is a lifetime tool — the environmental footprint is dominated by the one-time steel production, which is fully recyclable at end of life. Eye and hand protection during mechanical work reflects the task environment, not any chemistry in the tool.