Leaves hair 3/16-Inch- 4.8mm. Great for heavy coated or matted dogs. Extra wide blade takes coat off faster. Great on Spaniels, Chows, Old English Sheepdogs and many others. Also used on horses, cattle, goats and hogs. Compatible with A5, Power Pro, Power Max, Performax, Protege and Groom Master Clippers. Innovative heat reducing technology and legendary sharp cutting performance. Cryogenically treated for longer wear resistance.