Description JACKLY 3PCS Hex Socket Driver Extension Bar Screwdriver Wrench Adapter Repairing ToolSpecification Material Chrome Vanadium Steel Brand JACKLYMaterial Tool SteelColor Multi colorType Hand tools Special features MultifunctionalFunction Repair1 4 x 1 4 inch 50mm long 1 4 inch shank can be converted into 6 35 mm square3 8 x 1 4 inch 50mm long 1 4 inch shank can be converted into 9 53 mm square1 2 x 1 4 inch 50mm long 1 4 inch shank can be converted into 12 7 mm square Features 1 Suitable for screwdriver handle and electric screwdriver tool 2 Spring loaded ball bearing on head holds sockets securely 3 Suitable for quick change 1 4 inch chuck systems or directly into drill chuck 4 It is used for home hobby workshop hardware auto repair warehouse etc Package Included 3Hex Socket Screwdriver ToolMore Details