Filmhandler Film Cutter Shim - 1/8in - 3in Hub
Keep film from "telescoping" with a 1/8" thick film cutter shim. Use it to fill the gaps that may exist between the 3" hubs and film to ensure a correct fit. You can use as many as needed, or combine a 1/4" thick shim with a 1/8" thick shim.
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