uxcell 24 Pcs 70mm Diameter Black Plastic Blanking End Cap Tube Inserts Item Name : Round Tube Insert;Thread Diameter : 67mm/ 2.64" Total Size : 70 x 18mm/ 2.76" x 0.71"(D*H);Color : Black Material : Plastic Weight : 423g Package Content : 24 x Round Tube Insert