Pestle is made of solid PTFE and threaded to a stainless steel shaft

·         PTFE-lined phenolic screw cap closure permits centrifugation or storage of homogenates without transfer

·         Replacement components are available and completely interchangeable

·         Clearance 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