Bolt Base 2.5mm Metric Short Arm Allen Key / Hex Wrench / M2.5 Hexagon Keys / Wrenches - 5 Key Hardened Black Alloy Steel (Self Colour) Short Arm Allen Keys Short arm and L shape ensure easy and comfortable grip Strong, durable product ideal for a variety of jobs 1.3mm- 12mm sizes available in pack sizes of 1- 20 pieces