100 qty paper plugs for 1.25″ Id Tubes – great for separating and securing lift charges in your mortar tube Simply poke hole in center of plug ,set your shell in the cup side of the cap Then with time fuse through the punch out hole – insert down into the tube- these create an almsot an airtight seal !! they hold powder charge in place and secure – the shell from movement then u can cap of the top of shell in the tube with a second one –
