Size - 1/4 inch square drive, 6" (153mm) total length; 1/2 inch square drive, 9.84" (250mm) total length.. Durability - Made of chrome-vanadium steel with chrome-plated finish for wear-resistant and durable.. Secure Hold On Sockets - Spring-loaded ball at male end retains sockets securely and prevents them from dropping.. Long Arm - Socket head lock onto ratchets and extensions, can apply more leverage and torque.. Application - Widely used in DIY hand-making, household maintenance, and most general repairs..
