The Oster Turbo A5 2-Speed Clipper is for PROFESSIONAL and EXPERIENCED GROOMERS ONLY!Delivers normal speed for precise clipping and high speed for body clipping.The Oster Turbo A5 2-Speed Clipper runs at over 4,000 strokes per minute (Universal Motor) and uses A5 blades. These clippers are recommended to the professional only as they are much too powerful for a novice. This clipper is made to save time when tackling large breeds such as Old English Sheep Dogs, Collies, Chow Chows or English Springer Spaniels that need shaved down because of extremely heavy or matted coats. Blade model numbers and their lengths will dictate the finish you will achieve.The Oster Turbo A5 2-Speed Clipper Features: Virtually unbreakable housing. Up to 24 degrees cooler housing temperature and up to 30 degrees cooler blade temperature than the leading competitor.* More powerful, wider sweep, faster running (over 4,000 strokes per minute for the 2-speed). Powerful two- speed motor. Increased blade speed. New Crytoech blades stay sharper longer. Double Insulated, UL approved.Detachable blades make blade changing easy. Precision ground blades are durable and provide sharp cutting accuracy.