The Grey Pneumatic 4042M is a 1" drive x 42mm standard length, 6-point metric impact socket. It is constructed from premium chrome-molybdenum alloy steel and features high-visibility laser-etched markings alongside a corrosion-resistant black oxide finish. Key Specifications & Dimensions Drive Size: 1" square drive Hex Socket Size: 42mm (6-Point configuration )Length Style: Standard length (approx. 64 mm / 2.52" overall length) Drive End Diameter (A): 52 mm Socket End Diameter (B): 63 mm Hex Depth (D): 27 mm Weight: 1.63 lbs Warranty: Covered by Grey Pneumatic's Lifetime Warranty