Dual control means dual purpose with multiple features to get the job done like a Pro. Features include the powerful DC motor & gearbox, 1-36 volt variable speed control, reversal switch, 3 way On to Off to Foot Control switch, and our original Self Adjusting Chuck and adjustable precision-milled Slip Clutch. This motor can wrap at a top speed of 680 RPMs and finish as slow as 36 RPMs. All made with pride right here in the USA and comes fully assembled. Now equipped with a thicker slotted aluminum upright motor mount that allows for rod center height adjustments between 5 1/4” to 7 3/8”.