For grinding hard or soft materials, in dry form or in a liquid medium, to any required fineness. Neoprene rollers are oil and solvent resistant, and permanently molded on 5/8" steel cores. Patented design automatically centers mill jar, prevents creeping, and reduces friction, noise, and breakage to a minimum. Any round container from 2" to 10" in diameter can be rolled. Speed range from 20 to 300 RPM. 1/4 HP motor operates on 110V, 50/60Hz. Without jars or grinding media.
