Babylock Serger Sewing Machine Chaining Tongue CHAINING TONGUE BL4-428 BL5180 (4TW-5102-01A) Description: CHAINING TONGUE FITS BABY LOCK BL4-428,BL5180,SIMPLICITY SL880 Babylock Serger Machine Models: BL3-428, BL4-428, BL4-738, BL5180 & BL5280E Compatible with Simplicity Serger Machine Models: SL880 4TW-5102-01A * Serger Sewing Machine Chaining Tongue * VacSewCenter provides the best protection to keep your vacuum and sewing machine working in prime condition at all times. * Our 100% satisfaction guarantee ensures that you will be happy with your VacSewCenter purchase. We strive to make sure that all of our customers are satisfied and this is why we offer a 7-day money back guarantee. Buyer is responsible for return shipping. * We strive to make sure that all of our customers are satisfied and this is why we offer a 7-day money back guarantee. Buyer is responsible for return shipping.