The Powerbuilt 13 Piece Long Arm Tamper-Proof Magnetic Torx Key Wrench Set is a top-quality long arm metric hex key wrench set offering strength, precision, and organization. Each wrench is constructed of premium chrome vanadium steel for durability and precise fit into Tamper-Proof star and Torx head fasteners. For added versatility, each Wrenches also feature magnetic ends for retaining loose fasteners and a nonslip coating for better grip. The longer arms have a longer reach and can generate more torque. Set includes common wrench sizes T-10, T-15, T-20, T-25, T-27, T-30, T-40, T-45, T-50, T-55, T-60, T-70 and T-90. The 13 key wrenches are organized with size markings inside the included fold-out plastic carrier you can hang on pegboard or toss in a toolbox. Powerbuilt products meet or exceed ANSI standards. Dependable enough to last a lifetime.