Proto Single Open End Wrench, Smart Pick for Pros and Hobbyists, Smart Toolbox Upgrade, Ready for Everyday Shop Duty, Open End Tool for Nuts, Fittings, and Tight Spots

Proto Single Open End Wrench for Pro Shop Use
✔️ 1 open end wrench, tough shop-ready build, solid everyday tool

This Proto single open end wrench slides onto nuts from the side, which is handy on fittings and spots with little room. It's a handy pick for auto shops, hydraulic work, and home garages.

✅ Pack size: 1 open end wrench
✅ Brand: Proto
✅ Mfr part number: J3315
✅ Tough build for shop, garage, and job site use

💡 When should you use an open end wrench?
Open end wrenches are best when you can't get around the nut.

• They slide onto nuts from the side, great for lines and fittings
• Double open ends give you two sizes in one tool
• For tight bolts, a box end or flare nut wrench grips better