Roller Jar Mill Two-Tier, 40L Jar Rolling Mill with 8 Jars, Lab Roller …
4.Select your speed range from 50 to 405 rpm with front control knob;Quiet and smooth operation. Epoxy powder painted shaped sheet steel structure; No strict weight balancing required. › See more product details. +. +. $4,520.90. This item: Roller Jar Mill Two-Tier, 40L Jar Rolling Mill with 8 Jars, Lab Roller Ball Mill. $4,499.00.