Everyone will be a professional. Easy chainsaw placket, with a push of a button. Ultra lightweight 21.2 oz (610 g). Super long life whetstone ● Industry First! Equipped with a special whetstone that sharpens the cutting blade and depth gauge at the same time. Equipped with a forward and reverse rotating motor that sharpens from the inside of the horizontal blade toward the outside. Equipped with an angled base that can be sharpened horizontally or 10° down depending on the cutter. Equipped with a stopper that is all the length of the cutter.