These jar mills are ideal for grinding laboratory or high-purity samples. High-quality, powder-coated finish protects the exterior from oils, solvents, and chemicals. Mills provide quiet, smooth operation with the 1/12-hp, direct-drive DC motor. Easy to clean and maintain, these lab mills require no tension adjustment or lubrication. Rollers and brackets are easily repositioned and secured by convenient allen-head bolts. Rollers measure 12-5/8" (32.1 cm) in length and accept jars from 2" (5.1 cm) to 10" (25.4 cm) in diameter. Maximum capacity of 30 lb (13 kg).

Low power consumption during continuous operation. Control speed from 10 to 260 rpm with front control knob, a potentiometer that adjusts power output voltage.