C.S. Osborne Grommet Die Set & Hole Cutter For Plain Grommets With Plain Washer. 3 pc. set. Each set it is composed of 2 pieces die and a hole cutter. Precision CNC machined from high quality steel. These setting dies and hole cutter work with Osborne Hand Press No. W-1, Portable Press No. W-50 & Pneumatic Machine No. W-3. Set plain grommets. Instructions are enclosed. Made in USA. Available in following sizes. Please select your size from the drop down options menu. C.S. Osborne & Co. is a manufacturer of specialized hand tools designed exclusively for upholsterers, auto trimmers, awning and canvas workers, furniture makers and other professionals in related trades. For generations, the family run business has always taken great pride in engineering the highest quality tools and offering our products both here in the United States and abroad. C.S. Osborne produces the most extensive line of custom tools available -and we guarantee that our tools will deliver excellent quality and superior performance.