Assembly Instructions This product is only used for cutting plastics and wood. Do not use it for cutting any metals, otherwise there is a risk of damage. The blade is extremely sharp. During installation and operation, keep your fingers away from the blade edge to prevent cuts. The blade will become dull after long - term use. Please replace it regularly. The adjustment range of the triangular plate angle is 0° - 45°. The main structure of this product is made of ABS plastic, and the blades and connectors are made of metal. There may be slight color differences or imperfections between different batches, which do not affect the use. It is not suitable for cutting thin paper.