Little Red Cap Clam Shell Caulk Saving Cap, Red (Pack of 16) Provide a clean, easy solution to capping containers of caulk, paint, sealer, glue, chalk or anything on your shelf that you wish to reseal and reuse It replaces that rusting nail or screw you've always used to reseal caulk tubes It also replaces those lost or leaking caps that allow glue or chalk to spill in your tool kit or on your workbench Little red cap also makes a perfect Romex wire termination, air tool inlet, and felt pen cap Available in red color