WORKPRO 16PIECE Magnetic Torx Screwdriver Bit Security Torx Bit Set Tamper Proof

WORKPRO Bit Sets. 1/4 quick change hex shank gives them high adaptability. Drive System‎Torx. 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.