1. Product material: aluminum alloy + ABS plastic. Size: 154 x 49 x 20mm. 2. Thickened aluminum shell: It is made of thickened aluminum alloy, which has good compressive strength, is hard and strong, and is small, portable and easy to use. 3. 7 kinds of blades can be replaced: sharp carbon steel blade, finely ground edge, smooth planing, sharp and wear-resistant. 7 kinds of chamfering knife heads can plan different edge shapes. (7 kinds of cutting head chamfering effects: sharp corner + rounded corner, double sharp corner, double rounded corner, 1/8 round, 3/16 round, 1/4 round, 45° flat knife)< /p> 4. Add a new blade fixing screw knob, which can make the blade more stable. 5. Adjustment knob: the cutting depth can be adjusted according to different work requirements 6. Hex nut, easy disassembly and assembly of the blade, and easy combination. 7. With a horizontal bubble design, one side is vertical and one side is horizontal, which is convenient for observation and leveling 8.