Skid Zero is a highly versatile professional detail trimmer with which you can get the closest shave (0 to 0.6mm). Includes 3 interchangeable combs of 1.5, 4.5 and 6 mm. Quiet, high performance 6500 rpm DC motor. Its new hypoallergenic blades are made of carbon stainless steel with diamond coating 440C - HRC 62-63. It has a lithium-ion battery that charges in 2 hours. In addition, the cutting machine works with and without cable (3 meters long). It is very handy as it weighs only 245 grams. Beardburys Skid Zero