The heavy duty commercial rotary tumbler 12T is manufacured by Diamond Pacific and is based on the original Highland Park design which is well known for its efficiency and long life. The barrel is steel with a removable liner made of heavy rubber for quiet action. The double pulley drive on the barrel rollers eliminates barrel slippage. Roller shafts are poylurethane covered. Rollers are mounted on heavy duty bronze bearings. Roller bearing barrel guides keep barrels aligned. The unit includes a 1/3 HP motor with three wire cord and switch. 110V, 60 Hz model. Motor is mounted inside the base. The barrel included has a load capacity of 12 lbs. or 5 quarts, & barrel dia. is 9". Overall tumbler dimensions are: 13" wide x 12" deep x 18" high. Inquire about the 220V 50Hz model available for export listed at 790.00. Shipping weight is 49 lbs. FOB Barstow, CA