PIKWO Hand Press Heavy Duty Eyelet Grommet Machine Rivet Press Punch Tool Kit with 3 Dies and 900 Pcs Grommets Self Piercing Grommet Maker[Whats In The Package]3 Interchangeable Dies & Grommets: Including #0 (1 4", 6 mm), #2 (3 8", 9. 5 mm), #4 (1 2", 12 mm) dies & 900 grommets (300 each size) for meeting different needs [Improve Your Efficiency]There is a snap ring incorporated onto the stem of the top die and it holds the grommet in place,no nees to hold the grommet anymore,makes you Improve your efficiency. [Make A Perfect Grommet]Self piercing grommet machine with our die set and