BAOSHISHAN 0-100um Grindometer Stainless Steel Fineness Gauge ISO Standard Single Groove with 2 Scrapers, Storage Case, 25μm/50μm/100μm/150μm Available (100μm, 8Hegman)

BAOSHISHAN 0-100um Grindometer Stainless Steel Fineness Gauge ISO Standard Single Groove with 2 Scrapers, Storage Case, 25μm/50μm/100μm/150μm Available (100μm, 8Hegman)

ONiLAB Electric Overhead Stirrer, LED Digital Overhead Stirrer Mixer with Stirring Rod，20L ，10000 mPas ， 50~2200RPM, Aluminum Alloy(Stirrer only, Stand not Included)

Weewooday 8 Pieces PTFE Magnetic Mixer Stirrer Bar, White Color Stainless Steel Laboratory PTFE Stir Plate Bar, Mixing Plate Magnet Stick (30 mm/ 1.18 Inch)