OAP1271 Features: * Hardened for extra strength * Drive Size: 3/4 in (female square), 3/4 in (male square) * Locking Type: Ball * Material: Cold Formed Steel * Type: Plain Extension * Wt.: 1.77 lb * Price is for 1 Each * Testing and approvals: * FED SPEC. GGG-W-641e * ANSI Spec. B107.10M Color/Finish: * Finish: Chrome Dimensions: * Overall Length: 8 in