XZN Triple Square Spline Bit Socket Set 12 Point Tamper Proof 1/2 1/4 and 3/8 Inch Drive,4mm-18mm,S2 Steel,10 Pieces

Key features

• Bits are made from Drop-forged, heat-treated S2 steel for superior hardness that reduce wear-outs and insure longevity, Sockets are made from heat treated chrome vanadium steel for strength and durability.
• Precisely and automatically machined bit tips to ensure accurate size, chamfered bit ends insert smoothly into fasteners and protect both bits and fasteners from damaged edges.
• To tighten and untighten high torque triple square screws and bolts commonly used in the alternator and pressure plate of European cars.
• Sizes: 1/4" Drive: 4mm, 5mm, 6mm;3/8" Drive: 8mm, 9mm, 10mm, 12mm, 14mm ;1/2" Drive: 16mm , 18mm.
• Set includes a sturdy plastic organizing case for secure storage and easy carrying.