This set allows you to mix and match drive sizes for your sockets‎,‎ ratchet handles‎,‎ extension bars and other accessories‎.‎

Very handy tool accessory that adds versatility to your sockets‎.‎

Play function of transforming square head size to fit more size‎.‎

Corrosion‎-retardant Black Phosphate Coating

Ideal tool for mechanics‎,‎ engineers‎,‎ carpenters or DIY enthusiasts

Made of the highest quality chrome vanadium steel‎,‎ each piece undergoes a precise heat treating process‎,‎ hardening and strengthening it for use with impact wrenches and drivers‎.‎

They create replacements for lost or broken sockets‎,‎ expand incomplete socket sets‎,‎ and Allows greater flexibility for all sockets and drive tools‎.‎

Material‎:‎ Chrome Vanadium Steel

Type‎:‎ 1/2 ‎"‎to 3/8‎"‎‎,‎3/8 ‎"‎to 1/4‎"‎ ‎,‎3/8 ‎"‎to 1/2‎"‎‎,‎1/4 ‎"‎to 3/8‎"‎

Color‎:‎ Black

Quantity‎:‎4Pcs