Trim your beard moustache and sideburns while keeping tidy with this trimmer its powerful vacuum catches cut hair as you go along giving you a mess free trim strong steel blades are double sharpened and made to last a very long time to cut through even thick hair they sharpen themselves by lightly brushing against each other as you trim select the preferred trim length by simply turning the zoom wheel on the handle until the length you want is displayed from 05 10 mm with 05 mm precision your