The basics This deluxe product has been known for many years as the best revolving leather hole punch ever made.  The benefits Created specifically for professional and industrial use. Equipped with replaceable number 0, 1, 2, 3, 4, 5 and 7 hole tubes. The uses This is ideal for punching clean holes in leather, canvas, sails, upholstery, and other similar materials. The bottom line The frame is made of forged steel, highly polished. The cutting tubes are hand-turned from high carbon tool steel and threaded to allow easy replacement