*Common-size: The impact hex socket set provides 10 sizes on hex bit head: H5, H6, H7,H8, H10, H12, H14,H16, H17, H19. 78mm length of the socket ensures easier and more flexible operation in the hard-to-reach spot. Featuring a standard 1/2" square drive for high torque impact wrenches and ratchet wrenches, this set delivers the power to tackle tough nuts and bolts.

*Durable Material:The 1/2" impact grade hex driver set is made of high-strength chromium-molybdenum steel in a single solid piece, which works well for last through heavy duty jobs and repeated use. Black phosphate surface for rust resistance.

*Anti-fallout Design: Built-in anti-slip pin hole is used with pin and O-ring systems for secure socket retention which prevents falling out while in use.

*Chamfered Ends: Accurately machined hex bits with the chamfered bit ends can be inserted into fasteners smoothly and tightly to protect both bits and fasteners from damaged edges. Ideal for construction, auto repair, and household appliance maintenance.

*Portable Storage Case: Every hex key socket is laser-etched with its specific size for faster identification. A durable carrying case keeps the sockets organized and protects them from loss or damage when not in use or being transported between job sites.