Evolution Torx 30 Bits x50 Shank Size: 1/4-inch Hex Shank; Total Length: 25mm/1-inch; Bit Type: T30; Surface Treatment: Sandblasting; Material: S2 Alloy Steel. 50pcs x Torx Screwdriver Bit; These Screwdriver Bits are with magnetic design. Those Torx Screwdriver Bits are made of S2 alloy steel, which is a commonly used material in hardware with high hardness.
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