About Centrally located in Bosque County, Texas, the PETOL™ GEARENCH manufacturing facilities are about one mile south of Clifton, Texas on State Highway 6. PETOL GEARENCH was founded in Houston, Texas in 1927 as GEARENCH Manufacturing Company, by J.A. Peterson and C.E. “Pat” Olsen. The first patented product, the Gearench, was called The Greatest Utility Wrench on […]
Parmelee Pipe Wrench is a patented advancement based on the original 1869 Stillson & Walworth swiveling pipe wrench – the first non- monkey wrench of its kind that allows users to push and pull the wrench handle in one direction or the other to both grip and release cylindrical piping. Parmelee Pipe Wrench General Information […]


