Product Code: CHINALSCHOOLS8850001
Categories: School Chemistry Lab Cork and Tubing
Cork Borers Suppliers in China
This cork borer is used to make uniform 5 mm (3/16") diameter holes in rubber stoppers or corks for attaching glass tubing.
It is ideal for making full 5 mm diameter holes in small stoppers like No. 00, 0 and 1 that come with standard 3 mm holes.
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