中文：

该模型是可以夹持雕刻刀片（手术刀片）的模型，其中需要M3*5自攻螺丝、M3*4自攻螺丝。

English:

The model is a model that can clamp engraving blades (surgical blades), where M3*5 self-tapping screws and M3*4 self-tapping screws are required.