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An easy to install and use time fuse punch retro-fit kit for the commonly available grommet presses that can be sourced on eBay for around $40 or so. These kits screw right into the existing press and can be installed in just a few minutes.  Aluminum, steel and stainless construction, the punches knock a 1/8" dia slug out of the time fuse exactly 1/4" into the fuel grain. Photos show the retro-fit kit installed on a grommet press (not included).