Proto Wrench Box Slugging Offset 3.7/8''AF, 12 Pt Super H/D Steel Black 18'' L USN362

• Non-reflective black oxide finish for use where non-plated products are required.
• 12 point box end allows for fine indexing, helping improve speed and access.
• Designed for heavy use in close quarters where hammer or sledge is required to loosen frozen nuts or set large fasteners.
• High strength rectangular design withstands heavy sledging; transmits power more effectively to fastener.
• Box opening designed to remain in place on fastener when wrench is struck.
• Heavy box walls provide greater transmission of torque to fastener.
• Straighter handle design than striking wrenches resists springing, nut turns easier.
• FINISH Black Oxide
• SIZE [IN] 3-7/8
• OUTSIDE HEAD WIDTH 1 [IN] 5-1/2
• HEAD THICKNESS 1 [IN] 2-1/2
• OVERALL LENGTH [IN] 18
• WEIGHT [LBS] 22.11
• NUT DEPTH [IN] 2-1/2
• BOLT CLEARANCE DEPTH [IN] 1-7/8
• DRIVE END OUTSIDE DIAMETER [IN] 5-1/2
• POINT SIZE 12
• UNIT OF MEASURE Fractional