Tissue Grind Comp Size 21 ,Each

Details:

Potter-elvehjem tissue grinders with glass pestles^ ground borosilicate glass tissue grinder. Can be motor driven. Tubes and pestles are interchangeable, with a uniform 0.10-0.15Mm clearance. Capacity: 5ml. Pestle length x shaft od: 205x6mm. Tube length x reservoir od: 140x16mm. Size 21.