Allen Key Long Series 3/8" – Tempered Steel 280mm

A professional-grade long-series allen key in 3/8" (9.5mm) hex size, machined from special tempered and hardened steel with a durable black finish. The extended 280mm length provides enhanced reach and leverage for recessed socket-head cap screws in confined spaces and deep applications. Ideal for electricians, engineers, and maintenance professionals requiring precision hex keys for panel building, machinery assembly, and general maintenance work.