Proto® TorquePlus™ Socket, Standard Length, No Impact Rated, Measurement System: Imperial, Square Drive, 1 in Drive, 2-5/8 in Socket, 4-1/8 in Overall Length, 1-3/4 in Opening Depth, 2-21/32 in Drive End Width, 3-37/64 in Socket End Width, Ball Locking, 12 Points, 2-21/32 in Bolt Clearance Depth, Alloy Steel, Satin