Zaky 12 pcs Plastic Square End Cap Tubing Tube Inserts Black 15mm x 15mm for Cha
Zaky 20 pcs Plastic Square End Cap Tubing Tube Inserts Black 15mm x 15mm for Chairs Desks Tables Beds. Perfect design:For easy installation, each tube insert is ribbed so that the tube only needs to be aligned before it is tapped into place.