The BlueSpot Tools Long Arm TORX Key Set has been manufactured from chrome vanadium steel for increased durability. The keys have a black oxide coating to aid corrosion resistance. The extra length enables a greater amount of torque to be applied to the fastener. The tips are chamfered to enable access from a wider angle. Sizes: TX10, TX15, TX20, TX25, TX27, TX30, TX40, TX45, TX50