7/8" 12-point SAE Flank Drive® flat socket with 3/8" drive

Characteristics
• Snap-on uses a proprietary blend of special alloy steel that provides long service life and great strength.
• The Flank Drive® wrench system delivers up to 20% more turning power without slipping or rounding while exceeding ANSI® performance standards.
• Industrial, black. The oxide finish helps protect against corrosion. Specifications Dimension C, Bolt Clearance Depth, in. 23/32 Size, in. 7/8 Country of Origin USA Dimension A, Hex End Diameter, in. 1-5/32 Finish Industrial Finish Dimension D, Length, in. 1-9/32 Dimension E, Hex Depth, in. 9/16 Style 12 Point Dimension B, Driver End Diameter, in. 1-1/8 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