| PROTO J4759BLS 1/4" Drive Extension, SAE, 1 pcs, Black Oxide This Proto J4759BLS 1/4" Drive Extension is the perfect tool for reaching into tight spaces. With a knurl locking ring, this extension will fit securely onto your socket wrench. It has a black oxide finish that helps to resist corrosion and rust. The... ... more PROTO J4759BLS 1/4" Drive Extension, SAE, 1 pcs, Black Oxide This Proto J4759BLS 1/4" Drive Extension is the perfect tool for reaching into tight spaces. With a knurl locking ring, this extension will fit securely onto your socket wrench. It has a black oxide finish that helps to resist corrosion and rust. The... | | $20.45 go to store |