This wrench was widely issued; some but maybe not all of its usages were; McCormick Deering two horse mowers,Deering Ideal mowers,Deering New Ideal mowers,McCormick Deering reapers,Mccormick Deering corn binders,Deering Ideal Harvesters and binders,MCcormick Deering harvester thresher and at this point I got tired but the list goes on. Thats why they are easy to find.