- 6 Size: 16*16mm, 19*19mm, 25*25mm, 32*32mm, 38*38mm, 50*50mm.
- Fits only square tube, outside diameter must match.
- Compatible Tubing Wall Thickness: 0.5-2mm.
- These plastic end caps have flexible ridges for easy install and snug fit.
- Multiple use: fence post caps , chair leg floor protectors , square tube , aluminum square tubing , plastic square tubing , chair glides.