These tough Star bit sockets are built for the toughest jobs. Powerbuilt 3/8 Inch Drive T-40 Star Bit Socket features a 2-piece press-fit design for strength and durability. Socket bodies are constructed of tough Chrome Vanadium Steel and mated to S-2 industrial-grade steel bits which ensure a lifetime of reliable use. The hardened S2 steel bits are precision ground for a tight fit onto Torx Star fasteners. The bit’s Zinc Phosphate coating allows for a protective non-slip function preventing bolts from striping. High visibility sizing is stamped into the mirror-polished Chrome Vanadium sockets.
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