The roller knife sharpener is made of high-quality aluminum alloy with a rust-resistant coating, making it a reliable, corrosion-resistant, wear-resistant and durable tool. < p>The auxiliary grinding chisel adopts a newly improved double reinforcement method, in which the top and sides are reinforced at the same time. Compared with other products, it does not slip during use and has better stability and higher accuracy. Chisel sharpening The clamping range of the guide can be adjusted by rotating the nut. This chisel grinder is suitable for widths from 0 to 2.6 inches. The sharpening guide can be used for wood chisels, planers, blades, gravers, carving knives, irons, flat chisels and edge sharpening. Different sharpening angles can be obtained by adjusting the distance between the chisel tip and the guide. . The universal distance is 60mm, which can meet all needs.