13 pc Torx Bit Set Includes Sizes: T10, T15, T20, T25, T27, T30, T40, T45, T47, T50, T55, T60, & T70 For Use with Torx Fastener S2 Alloy Steel Bits for Strength and Durability Anodized Aluminum Green Rail Handy Magnetic Rack Sticks to Ferrous Metal Surfaces, Rust Resistant Finish