Needle Plate Zigzag 

Part # NZ40LG

Fits Babylock models: BL3000, BL4000, BL5000

Fits Riccar models: 2600, 2900, 2950, 3400, 3500, 3600, 4003, 414, 500, 515, 525, 555FA, 606, 666FA, 8400, 8500, 888, R3100, R650, R750, RE571, RE581, RE591, RM570