Legal basis: Identification Standard for Controlled Tools 1. Anyone who meets one of the following criteria can be considered as a controlled cutter:
1. Dagger: a single-edged, double-edged or multi-edged sharp knife with a handle, a blade lattice and a blood groove and a tip angle of less than 60 degrees.
2. Triangle scraper: a processing tool with three blades.
3. Spring knife with self-locking device (jumping knife): a folding knife that can be fixed and self-locked by a spring or bolt in the handle after the knife body is unfolded or ejected.
4. Other similar single-edged, double-edged and triple-edged sharp knives: all kinds of single-edged, double-edged and multi-edged knives with the tip angle less than 60 degrees and the blade length exceeding150mm. ..
5. Other single-edged, double-edged and multi-edged tools, the vertex angle is greater than 60 degrees, and the blade length is greater than 220 mm. ..