The holes are used to push out the leather using the round end of the metal stick

along with detailed assembly instructions with photos

Available for #9 Rivets & Burrs

9" #5 Zipper

Average size: 19 to 23 sq

Hand Press Die Round Tube Punch Adapter ClearanceTools The holes are used toFor Universal Punch Tubes. This adapter will allow your hand press to produce the perfect round holes on your project. Specifications Base Height: 0. 85 in. (21. 5 mm) Base Top Diameter: 0. 62 in. (15. 8 mm) Base Bottom Diameter: 0. 37 in. (9. 4 mm) Tube Height: 1. 58 in. (40. 1 mm) Tube Top Diameter: 0. 37 in. (9. 4 mm) Tube Bottom Diameter: 0. 5 in. (12. 6 mm) Instructions Works with Universal Punch Tubes TandyPro Hand Press Craftool Hand Press