Fill tube with epoxy/material. Put on plunger plug (end cap). Install tube in a caulk gun. These are much sturdier to use than the cardboard version. These are considered disposable. Plunger plug: designed to be used with a standard caulking tube.
3 Pcs Empty Caulk Tubes, Fillable Reusable Empty Caulking Sealant Tubes for Cracks, Tiles, and Repairs
3Pcs Empty CaulkTubes, Reusable Caulk Tubes, Fillable Caulking Sealant Tubes Crack Bracket, White
White Decorators Caulk Kit | 2 Paintable Caulk Tubes + Caulking Gun | Finishing Tool & Scraper | Interior Gap Filler | Skirting Boards & Window Frames
100pcs Caulk Saving Cap, Latex Caulking Tube Saver for Reusable Sealant Preservation, Open Caulking Sealing Cap to Prevent Drying and Leaks, Ideal for Caulk Tubes with No
YOSADIER Caulk Saving Caps for Sealing and Preserving Adhesive and Caulk Tubes Red 20pcs Latex Preventing Air and Moisture Entering, for Shelf Storage
IMIKEYA 4pcs 50ml Refillable Ab Glue Mixing Tubes Plastic Empty Epoxy Tubes 1:1 Ratio Large Capacity Convenient Use for Electronics and Professional Projects
