ST0858-6 Filmhandler Cutter Shim - 1/4in - 6in Hub
Keep film from "telescoping" with a 1/4" thick film cutter shim. It fills the gaps that may exist between the 6" hubs and film, ensuring a correct fit. You can use as many as needed, or combine a 1/4" thick shim with a 1/8" thick shim.