Plastic tube Insert plug 16-50mm Round Steel pipe End Blanking Caps non slip furniture leg decorative dust cover floor protector
https://www.vogueparade.com/shopping/EN/3712/1/4000826008213/plastic-tube-insert-plug-16-50mm-round-steel-pipe-end-blanking-caps-non-slip-furniture-leg-decorative-dust-cover-floor-protector//