Heavy Duty Motor Our PowerDrive cutting system easily cuts the thickest hair with percent more power than standard Wahl electromagnetic motor clippers this powerful electric shaver cuts through the thickest of hair with no snags or pullsSelfSharpening Blades Wahls high carbon self sharpening precision blades stay sharp longer and continuously sharpen over time oil between every few haircuts to increase the longevity of your clipper motor bladesAdjustable Taper Lever Easily change the closeness of your cut between guide comb lengths move the lever up for the closest cut move it down for a longer cut allows for easy transitioning of blending fadingNote We test our clippers for cutting performance prior to packaging with a hygienic fiber. We do our best to clean the product to remove any testing particles but it is possible a few may remain. They are not hair and can be simply wiped off.