Stopper 1-Hole Rubber 15mm 10mm 00 90lb ,Each

Details:

Stopper 1-hole rubber 15mm 10mm 00 90lb^ rubber stopper, 1 hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, resilient/pliable for a long time, low in free sulfur, can withstand adverse laboratory, size: 00, top diameter: 15 mm, bottom diameter: 10 mm, 90lb