The Proto PO31011 Satin Open-End Wrench features a 10 mm x 11 mm dual-end design engineered for professional tradespeople and hobbyists alike. The satin finish reduces glare and provides a clean, professional look while delivering premium durability built on over 100 years of Proto craftsmanship.
Designed to help you get more work done faster, this wrench offers reliable, time-saving performance in demanding industrial, MRO, and maintenance applications. Backed by a 5-year limited warranty valid in the United States and Canada.