13Pc Magnetic Torx Screwdriver Set - Tamper Proof Star Key Set with Anti-Slip Handle T5-T40Made of high quality S2 steel, with sturdy hardened & tempered construction, Football style rubber anti skid handle, better hand feel, more labor saving, stronger hardness, better toughness and greater torque, it is firm and durable. The shank of each tamper resistant screwdriver is clearly and accurately marked with a laser, to improve your accuracy at work. 12 magnetic Torx screwdrivers with magnetizer are stored in high toughness black nylon zipper