General Tools & Instruments 71262 3/8-Inch Grommet Kit with 24 Grommets
Replace or add grommets yourself to tarps, tents, awnings, etc.  Kits contain solid brass grommets with hole cutter and hardwood backer block.  Large hardened setting tool has knurled handle and anvil.  Solid brass 3/8" grommet kit with 48 grommets.