uxcell Plastic Screw Type Cap Furniture Cover 19mm Diameter 10 Pcs Black Item Name : Round Tube Insert;Total Size : 19 x 13mm/0.75" x 0.5"(D*H) Mounting Size : 18mm/0.71"(Diameter);Color : Black Material : Plastic Weight : 20g Package Content : 10 x Round Tube Inserts