Ace Socket Adaptors are professional-grade power tool accessories that allows you to use sockets with your power tool. Made from premium Chrome Vanadium (CrV) tool steel. The adaptors are heat-treated and tempered steel absorbs shock and resists twisting for superior tool life. 1/4-inch hex shank fits all quick-change chucks as well as standard drill chucks. Pack includes one 1/4-inch Drive x 2-inch Length socket adaptor. * Socket adapters allow you to replace your ratchet with a power tool1/4 in. socket drive size2 in. overall length1/4 in. hex shank fits all quick-change chucks as well as standard drill chucksMade from premium Chrome Vanadium (CrV) tool steelHeat-treated and tempered steel absorbs shock and resists twisting for superior tool life1 socket adaptor included