Wheaton* Micro Tissue Grinders with Cap

Similar to the all-glass Potter-Elvehjem style, but micro size for extremely precise work, this unit is designed dleiocate hand operation. Clearance between pestle and tube is .004 to .006 (0.1 to 0.15 mm). A reservoir and pouring lip are incorporated into the design. This grinder is manufactured from Wheaton 33 low extractable borosilicate glass (meets ASTM Type I Class A and USP Type I standards).
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