CrankBrothers Multi-5 Tool has an aluminum frame with the five most common tools needed for road and trail repairs: a Phillips screwdriver and 3, 4, 5 and 6mm Allen wrenches. It"s made of high-tensile steel, and tips the scales at a spartan 85 grams. Specs: Weight - 85 grams; Length - 3.5 inches; Frame - 6061-T6 aluminum; Tools - 6051 high tensile steel.