9 Piece Hollow Punch Set for Making Clean Holes In Gaskets, Leather, Plastic, Rubber & Vinyl. This is a new 9 piece hollow punch set. Great for making clean holes in gaskets, leather, plastic, rubber and vinyl. Made of carbon steel. Has knurled bodies for a secure grip, precision ground flutes and cutting edges. Hollow punch set sizes: 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 7/16" and 1/2". We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.