21-Function Premium Multi-Tool - Backed by Pedro's Lifetime Warranty and Rust-Free Guarantee(TM). - Hex Wrenches: 2, 2.5, 3, 4, 5, 6, 8mm. - T25 and T30 torx and Flat Blade screwdriver. - 1-13 speed Chain Tool with integrated: 7 & 8mm Flare Box Wrenches, 3.23, 3.30, & 3.45 Spoke Wrenches, Shimano(R) Crank Cap Tool, and Presta Valve Core Tool. - Micro Levers with integrated Quick Link Storage. - 160 grams. Rx Micro multi-tools deliver the perfect balance of size, weight, and function, ready for trailside repairs and daily adjustments. Designed for performance and durability with 6061 aluminum body, premium CrMo tool steel bits, and an anti-corrosion finish backed by our Rust-Free Guarantee(TM). Each new Rx Micro model now includes a 2mm hex wrench.