uxcell Round Blanking End Caps Tubing Tube Inserts 28mm Dia 50 Pcs Black Item Name : Round Tube Insert;Mounting Dia : 27mm/1" Total Size : 28 x 16mm/1.1" x 0.63"(D*H);Color : Black Material : Plastic Net Weight : 171g Package Content : 50(+/-2%) x Round Tube Inserts