Features 1、Features: 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. 2、Application: To tighten and untighten high torque triple square screws and bolts commonly used in the alternator and pressure plate of cars. 3、Performance: Sockets are made from heat treated chrome vanadium steel for strong strength and durability, stable and reliable performance. 4、Portable Box: Spline tip bit socket set includes a sturdy plastic organizing case for secure storage and easy carrying. 5、Reliable Material: Chrome vanadium steel and ABS material, high hardness that reduce wear outs and insure longevity. Specification Item Type: Drive Triple Square Bit Set Material: Chrome vanadium steel and ABS 12 Angle Pattern M4 M5 M6 1/4(6.35mm) Length: Approx: 37mm/1.45in M8 M9 M10 M12 3/8(10mm) Length: Approx: 48mm/1.88in 12 Angle Center Hole for M14 3/8 inch (10mm) Length: Approx: 48mm/1.88in for M16 M18 1/2 inch(12.5mm) Length: Approx: 55mm/2.16in Package List 1 x Drive Triple Square Bit Set(10PCS) 1 x Plastic Case