10-pc 1/2" Drive Metric Socket Sets, Nos. STM3210LR and STM3210R

April 13, 2026

The Cornwell Quality Tools 10-pc 1/2" Drive Metric Socket Sets, Nos. STM3210LR and STM3210R, are manufactured in the USA from premium 100 percent USA alloy steel. Each socket features a Torque Dispersing System (TDS) designed to apply force to the flats of a fastener rather than the corners, helping increasing turning power while reducing the risk of rounding. The sockets are cold punched for durability and consistent tolerances and feature a high-luster chrome finish for corrosion resistance. The sets are packaged on a modular twist-lock rail with a magnetic base.

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