From trucks and tractors to heavy equipment and large machinery, big service and repair jobs need the TEKTON 3/4 in. Drive Socket Set. Offering a narrowly focused yet complete range, it includes every size from 2-1/16 to 2-1/2 inch. Each socket has a 12-point opening that smoothly slides onto hex-shaped fastener heads at twice as many angle positions as 6-point sockets. Their advanced design grips the flat sides of fasteners, not the corners, to prevent round-off under high stress. Made from forged and hardened carbon steel, these sockets are protected by a durable, corrosion-resistant chrome plated finish