About This Hole Punch Set: The gasket punch set includes 1 needle-point punch shaft and 13 punch head sizes, 3/16" (5 mm), 1/4" (6 mm), 5/16" (8 mm), 3/8" (10 mm), 7/16" (11 mm), 1/2" (13 mm), 5/8" (16 mm), 3/4" (19 mm), 7/8" (22 mm), 1" (25 mm), 1-1/8" (28 mm), 1-1/4" (32 mm), 1-3/8" (35 mm) Wide Application: This hollow punch set has versatile uses and can be applied to various materials such as vinyl, leather, plastic, rubber, copper, soft materials, gaskets, and paper Spring-Loaded Punch Shaft: The handle includes a built-in spring-loaded center punch with a pilot tip for accurate positioning. The center punch can be removed for making solid disc cutouts, functioning like a circle punch, gasket cutter, carpet hole punch, foam hole punch, or circle cutter Superior Quality Material: These gasket hole punch set are precision-machined from treated alloy steel, offering corrosion resistance and maintaining sharp blades for excellent cutting performance Grip Enhanced Design: Each hollow punch features a textured surface for a secure, slip-free grip, while the punch shaft is fitted with a rubber sleeve for comfortable handling Overview Material : Alloy Steel, Rubber Color : Red Brand : Reywoo Hole Count : 13 Operation Mode : Manual