> Pyro Tools > Ball MillsThese mills are designed for quiet and continuous operation are fan cooled and include extra drive belts Choose either 3 lb or dual 3 lb capacity to suit your needs Approximate Attributes 3 lb 4 3/4 H x 4 1/2 Diameter Dual 3 lb 14 3/4 L x 6 1/2 W x 4 3/4 H Motor 120 V 60 Hz on/off switch Select Mill