Deluxe Electric Mandrel Spinner Reduces arm, wrist and hand fatigue while increasing your bead production Includes 9 sleeves - 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16" 11/32", and 3/8" Can be used both right and left handed Requires two D-Cell batteries - for up to 90 hours of use 1 year manufacturer warranty