SE 7909LP 9-Piece Hollow Leather Punch 9 Punch Sizes (inches): 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8, 7/16, 1/2 45-48 HRC Hardness Carbon Steel Body Knurled Body for a Stronger, Steadier Grip Used for Punching Holes In Leather, Vinyl, Plastic, Paper, etc. Comes Organized in a Plastic Molded Case for Easy Storage and Transportation