Draper Extra Long Hexagon Allen Key Metric

The 3mm Draper Extra Long Hexagon Allen Key represents one of the most commonly used sizes in general engineering and maintenance work. This dimension is found across a wide range of applications including bicycle components, furniture fittings, machinery panels, and automotive trim fixings, making it an indispensable workshop essential. Manufactured from hardened and tempered chrome vanadium steel, this key delivers robust performance under regular use. The chemically blacked protective finish ensures long-term corrosion resistance, whilst chamfered ends provide effortless socket head engagement. The extra-long design offers significant advantages when accessing recessed fasteners or working in confined spaces where standard keys simply won't reach.