3-3/4" 12PT BLACK OXIDE XL WRENCH, COMBINATION

Proto® Combination Wrench, SAE Extra Large, 3-3/4 in Wrench Opening, Spline Wrench, 12 Points, 37 in Overall Length, 15 deg Offset, 7 in Open End Width, 6-1/8 in Box End Width, 2-1/4 in Box End Thickness, 15 deg Head, Alloy Steel, Black Oxide

• For use on extra large fasteners, forged heads with machined openings
• 12-point box end allows for fine indexing, helping to improve speed and access
• Fits 4, 6, and 12 point fasteners
• Box end is countersunk for easy application to the fastener