Product material: aluminum alloy + ABS plastic Size: 154*49*20mm Thickened aluminum shell: made of thickened aluminum alloy, good compression resistance, hard and firm, small in size, portable and easy to use. 7 kinds of blades can be replaced: sharp carbon steel blades, finely honed cutting edges, smooth planing, sharp and wear-resistant. 7 kinds of cutter head chamfers can be cut into different edge shapes. (7 kinds of cutter head chamfering effects: sharp corner + round corner, double sharp corner, double round corner, 1/8 round, 3/16 round, 1/4 round, 45 flat knife) The new blade fixing screw knob can make the blade more stable. Adjustment knob: the cutting depth can be adjusted according to the working requirements < p>Inner hexagonal nut, easy to disassemble and assemble the blade, simple combination. With the horizontal bubble design, one side is vertical and the other side is horizontal, which