Stopper 2-Hole Rubber 46mm 38mm 9.5 9lb, Each

Details:

Stopper 2-hole rubber 46mm 38mm 9.5 9Lb^ rubber stopper, 2 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: 9.5, Top diameter: 46 mm, bottom diameter: 38 mm, 9l