1. ocket bits have a hole drilled in them to prevent tamper garage. 2. Made of high quality chrome vanadium steel, it is strong and super . Combined with chrome vanadium steel sockets, it can provide greater turning power for superior torqu 3. The precisely machined bits accurate size so that chamfered ends insert smoothly into fasteners protecting both edges of bits and fasteners from damaged. 4. All tools in a strong blow moulded storage case that provides convenient storage and transportation. Features: All torx sockets have a code Superior hardness reducing wear-outs High quality chrome vanadium steel for a A variety of specifications allow you to choose variously 11Pcs 3/8inch . Bit Socket: T10,15,20,25,27,30,40,45,50,55,60 8Pcs 3/8inch . E Sockets: E8,10,11,12,14,16,18,20 4Pcs 1/4inch . E Sockets: E4,5,6,7 10Pcs 5/16inch Bits: T10,15,20,25,27,30,40,45,50,55 1pc Coupler: 3/8inch x 5/16inch Function:E Socket Bits Have a Hole Drilled In Them to Prevent Tamper Garage Color:As Shown Material:Metal Package Contents: 1 * Torx bit socket set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.