Solid Rubber Stoppers: These black stoppers are made of high-quality rubber, which is very durable, not easy to deform, and has good sealing performance.
Rubber Stoppers Size:11 assorted sizes,000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8#,wide choice for your application.
Widely used: These rubber stoppers are suitable for laboratory and industrial use. They can be used as bottle stoppers or pipe stoppers in medicine, chemical industry, scientific research, and other industries.
Easy to use: Rubber stopper is tapered, easy to pull and insert, reusable and long in service life.
Packaging includes: 22pcs - #000 size 6pcs, #00---#4 each size 2pcs, #5---#8 each size 1pcs, Can meet your different needs.