Drive extension with 3/4 in square drive ends, one male and one female, length 3-1/2 in. Finish is Chrome Nickel. Material is Alloy Steel. Locking type is Ball. Key benefits - Provides extra reach in tight spaces while keeping sockets firmly attached. - Ball-locking design prevents sockets from falling off during use. - Durable alloy steel construction with corrosion-resistant chrome-nickel finish for long life. Specifications at a glance - Drive size: 3/4 in (square) on both ends; one end male, the other female - Length: 3-1/2 in - Finish: Chrome Nickel - Material: Alloy Steel - Locking type: Ball Compatibility and performance - Compatible with 3/4 in drive ratchets and 3/4 in drive sockets - Ball detent provides reliable retention under torque - Robust construction suited for high-torque, heavy-duty applications Use scenarios - Automotive repair: reach recessed wheel lug nuts in cramped wheel wells where extra reach is needed without compromising socket retention - Machinery maintenance: access hard-to-reach fasteners on industrial equipment or heavy machinery - General workshop tasks: extend reach for assembling or disassembling fasteners in confined spaces while keeping sockets secured This extension delivers straightforward function and dependable performance without extraneous features, maintaining compatibility with 3/4 in drive tools and sockets while offering durable build and reliable retention in demanding use.