WORKPRO 10 PIECE Square Bit Set Magnetic Screwdriver Bits Set 1/4 Inch Hex Shank

WORKPRO Bit Sets. 1/4 quick change hex shank gives them high adaptability. CNC Precision machined tip and a hardened core strengthen each bit, reducing fracture risk. Made of premium heat treated S2 alloy steel, CNC Precision machined tip and a hardened core strengthen each bit, reducing fracture risk.