Here are 2 catalogs and an original Wrench from The Granite State mowing machine Co. Hinsdale NH. 1 book is dated 1914 the other book and wrench are NOT. The wrench is a 2-sided open-end wrench, 1/2″ on 1 side and 1 5/16″ on the other side and is overall 5 1/2″ long.