Vintage 8 Inch Pliers in Original Box Minnesota Made - Etsy
Diamond Horseshoe Duluth USA Slip Joint Pliers K18 - Etsy
vintage Diamalloy SL-56 Diamond Duluth USA linemans pliers 6-1/2” Long | eBay
Progress is fine, but it's gone on for too long.: Close only counts in horseshoes and hand grenades. Part 2: Diamond Tool & Horseshoe Co., Duluth, Minnesota