SCHMETZ BLx1 and DCx1 needle systems are used by specific sergers, overlock, cover, and safety stitch machines. BLx1 and DCx1 feature a reinforced blade and are suitable for all fabric types. These SCHMETZ Overlock needles are not compatible with home sewing machines. Machine owner’s manual will specify BLx1 or DCx1 needle system. SCHMETZ BLx1 and DCx1 needle systems work with specific machine models of different brands. DCX1 Round shank 2.02 mm shank diameter 28.6 mm length butt to eye BLX1 Round shank 1.63 mm shank diameter 33.0 mm length butt to eye Five needles per pack.
