(Double K Industries) No more ugly tracks. Delivers a smooth cut without backtracking. Operates at 4200 rpm, more than twice as fast as the clippers you are now using. Quiet, powerful 1/8 hp motor is connected by flexible cable to handpiece. Clipper handpiece never gets hot because motor is located away from the hand. Variable speed model allows adjustments from 0-4200 rpm. Your blades will have a longer life due to the efficiency of the Double K clippers. Order Oster A-5 blades separately. One year limited warranty. (Manufacturer recommends the use of variable speeds to reduce blade overheating).