Frequent installations of Common Sense turn buttons require a tool that makes the process swift and effortless. Cutter #4100 from C.S. Osborne & Co. is a quality fastener tool. The hand tool is specially designed for cutting the holes for the eyelet and washer before placing Common Sense turn buttons. Made with manufacturers and fabricators in mind, the fastener tool is an effective time saver.With comfortable vinyl handles and a solid zinc-plated frame, the cutter is a great all-around tool. Use the hand punch for marine covers, RV skirts, auto tops, awnings, canvas products, cockpit covers, upholstery fabric, and industrial textiles