Most people have encountered an Allen wrench (or Allen key). It’s the L - or S -shaped tool with a six-sided head that can ...

PREMIUM - Precisely machined HEX & Torx sizes. Crafted and Designed with superior materials for increased torque and unmatched hardness. DURABLE - Industrial grade, heat treated S2 alloy steel ...

An Allen wrench, AKA an Allen key or hex key, is a small hand tool used to fasten screws or bolts with a hexagonal socket.