Drive Socket; Type 12 Point; Drive End Shape Square; Drive End Size 1/2 Inch; Socket End Size 1-1/8 Inch; Outside Diameter 1.49 Inch; Overall Length 3.235 Inch; Material High Alloy Steel; Process Heat Treated; Applicable Standard Asme B107.1-2002, Us Federal Specification Ggg-w-641 E; Socket Designation Deep; Body Style Straight; Socket Depth 1.473 Inch