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
Diamalloy 12"/300mm Adjustable Wrench Diamond Tool and Horseshow Co. Forged USA | eBay
Diamond Calk/ Horse Shoe/ Diamalloy - Hand Tools - Power Tool Forum – Tools in Action
Vintage 1940's Diamond 8 Inch Adjustable Wrench D-76 in Original Box Diamalloy Steel Diamond Calk Horseshoe Co. Duluth, Minnesota - Etsy
Diamond Calk Horseshoe Company
Diamond Calk Horseshoe Company
Antique Vintage 1930s-1940s DIAMALLOY NN57 Duluth MN, Usa,needle Nose 2.5 Long Reach Pliers. Jewelery Making. Use or Display. Collectible. - Etsy
Vintage Diamond Calk Diamalloy 6” Horseshoe Logo Adjustable Wrench USA MADE TOOL | eBay