1, suitable for aluminum alloy soft metal
2, suitable for high-hardness stainless steel type metal
3, lengthened (for hard metal)
4, specifically for the size of the curve of wood
5, suitable for hardwood curves and straight lines
6, suitable for cork big curves and straight lines
7, extended type (suitable for cutting 7cm thick wood)
8, long (suitable for cutting 10cm thick wood)
Size see below