Impact adapter with 1/2" square drive (1/2" internal drive x 3/4" external drive)

Characteristics
• 1/2" internal drive x 3/4" external drive allows end users to screw in a 3/4" socket with an impact wrench with a 1/2" drive
• Heat treated to optimize impact life, with reduced hardness to withstand repeated impacts and cyclic loads from impact wrenches
• Manufactured with a proprietary Snap-on® blend of special alloy steel for added strength and durability
• Industrial black oxide finish helps protect against corrosion. Specifications: Dimension D, Overall Length, in. 1-29/32; Dimension B, Outside Square Dr., in. 3/4; Country of Origin: USA; ASME®/ANSI® B107.10; Dimension A, Inside Square Dr., in. 1/2; Dimension C, Outside Diameter, in. 1-1/8; Finish: Industrial Finish Sets; Warranty: Lifetime warranty, non-repairable, guaranteed for materials and workmanship/while the purchaser owns the tools; Warnings: For complete warning information, see CAT1600 pages W1-W4