The three-needle six-thread overlock sewing machine is called a universal overlock sewing machine, which can be easily changed in the number of needles and threads to become:
1. Single-needle three-thread overlock sewing machine (504, 505)
2. Double needle four-thread overlock sewing machine(514)
3. Double needle five-thread overlock sewing machine(516)
4. Three-needle six-thread overlock sewing machine(543)
Suitable for clothing stores, small garment factories, multi-variety, small batch manufacturers, one machine for multiple purposes, save your money.