All-glass constructionPestle is tooled for an appropriately sized single-hole rubber stopper (not supplied)These grinders can be motor-driven at slow speeds by inserting one end of a short metal rod in the stopper and inserting the other end into the motor chuckReplacement components are available and completely interchangeableClearance between pestles and tubes is 0.004" to 0.006"Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Product must be used in compliance with the intended use statement listed on the product or its accompanying product information.
