Set of 6 NBL (No-Back-Lash) Bopbbin Cases For Industrial Single Needle Sewing machines. Bobbin Case Compatible Part Number # : 52237NBL Alternative numbers : 110-38759, 112035-000, 148350-101, 2110604-301B, 52237NBL, 540735, BC-DB1-NBL, D1837-555-BAA, K1837-000, MF41E0125, S03245-001, SC31-NS These are the No-Back-Lash (NBL) bobbin cases that will fit many Industrial Single Needle Sewing Machines. No-Back-Lash bobbin cases are designed with a brake spring which puts constant, light pressure on bobbins to overcome momentum. Bobbins stop spinning faster, preventing unraveling or tangling of bobbin thread when sewing operations stop and start. These top-quality bobbin cases will fit many models of industrial sewing machines including : Adler : 96, 196, 296 Artisan : 196R, 5550N, 8500N Brother : B705, B707, B714, B715, B735, B737, B738, B745, B755, B756, B758, B767, B781, B790, B791, B792, B793, B795, DD7000, PQ1300, PQ1500 Columbia : N430, N430-2 Consew : 30, 98, 99, 100, 102, 103, 105, 210, 217, 218, 219, 220, 230, 231R, 290, 310, 2230, 7360R-1 Econosew : DDL-5550, DDL-8500, DDL-8700 Feiyue : FY8500, FY8700 Gemsy : 8700 : 27, 263 Janome : 1600P, 1600P-DB, 1600P-DBX, DB-701, DB-702, DB-704, DB-705, DB-706, DB-708, DB-709 Juki : DDL-105, DDL-115, DDL-436, DDL-500, DDL-552, DDL-553, DDL-555, DDL-5550, DDL-8500, DDL-8700, DDL-8900, DDL-9000, DLD-432, DLM-522, DLM-5400, DLN-412, DLN-415, DLN-5410 Compatible with Mitsubishi : DB-120, DB-122, DB-126, DB-130, DB-189, DB-199, DX-370, LS2-130, LS2-150, LS2-180, LS2-190, LS2-1130 Reliable : MSK-8800, MSK-8500, MSK-8870 Rex : RX8500 Riccar : RD-101, RD-102, RT-5 Singer : 95, 96, 103, 191D, 195K, 196K, 241, 245, 251, 281, 400W, 491D, 591D, 600W, 691D, 770D, 1191D, 1591D, 2191, 2491D Sunstar : KM-123A, KM-123B, KM-137A, KM-137B, KM-146BL, KM-250 Tacsew : DDL-8500, DDL-8700 Taiko : TK-505, TK-510 Yamata : FY8500 / FY8700