10x Triple Square Spline Bit Socket Set 1/4" 3/8" 1/2" Drive XZN M4-M18 Sockets
1/2" drive tamper resistant: M16, M18. Accuracy and Versatility: Our premium 10-piece socket set features 12-point sockets in 1/4", 3/8" and 1/2" drives in a spline tip design for tamper-proof applications.