Stopper 1-Hole Rubber 13mm 8mm 000 170lb ,Each

Details:

Stopper 1-hole rubber 13mm 8mm 000 170lb^ 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: 000, top diameter: 13 mm, bottom diameter: 8 mm, 170lb