Williams Socket, Series: SUPERTORQUE, Measurement System: Metric, 3/4 in Drive, Shallow Length Socket, 38 mm Socket, 2-1/2 in Overall Length, 1 in Opening Depth, 1-5/8 in Drive End Width, 2-1/16 in Socket End Width, 12 Points, Standard Straight Shaft, 1-19/32 in Bolt Clearance Depth, Alloy Steel, Polished Chrome