These durable anti-scratch tube caps (plug-in caps), made of hard plastic are used as end caps for tubes, chairs and tables and the like for protection of the floors. These caps should be placed in the tubes, not around it.
To prevent that a wrong cap is purchased: take a good look at the picture and the dimensions below.
A (top thickness): 3.5 mm B (height): 18 mm D (outside diameter): 30 mm E (inside diameter 1): 29 mm F (inside diameter 2): 20 mm
material: hard plastic color: black number of caps in this set: 50 pieces