A special anti-spin spring is built into the bobbin case assembly to prevent the bobbin from spinning when the machine is suddenly stopped. This
fits JANOME MB-4 EMBROIDERY 2 BOBBIN CASES NBL Size L
Bobbin Case Replacement Embroidery Machine Bobbin Case Fits Commercial Embroidery Machines Tajima SWF — AllStitch Embroidery Supplies
CKPSMS Brand -Bobbin Case Springs (No-Back-Lash) Work for M Style Bobbin case with Diameter 1(25.4mm) Compatible with/Replacement for JUKI Brand Singer Brand Walking Foot Type Sewing Machine(20PCS)
Bobbin Case Tension Spring, Singer #40394 : Sewing Parts Online
For L size bobbins. With backlash spring, fits most machine types.
BOBBIN CASE L- WITH BACKLASH[7BC2]
L Size Koban Bobbin Case With Anti-Backlash Spring
CKPSMS Brand -Bobbin Case Springs (No-Back-Lash) Work for M Style Bobbin case with Diameter 1(25.4mm) Compatible with/Replacement for JUKI Brand Singer Brand Walking Foot Type Sewing Machine(20PCS)
Genuine Towa L-Style Bobbin Case with NBL Spring for Commercial Embroidery Machines. This high quality bobbin cases will fit most models of commercial embroidery machines using L size bobbins. NBL (No-Back-Lash) spring 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.
Towa Standard L-Style Embroidery Bobbin Case with Spring - Made in Japan
Replacement Embroidery Machine Bobbin Case, Style L - With Anti-Backlash Spring, Compatible with most of commercial embroidery machines like Tajima,
5pcs of Replacement Embroidery Machine Bobbin Case Fist Most of Commercial Machine
Bobbin Case 18045 (Fits Large M Bobbins)
Buy 5pcs in a lot Haya bobbin case SIZE L BC-DBZ(1)/ BC-DBZ(1)-NBL/ BC-DBZ(3)-NBL bobbin case for tajima barudan embroidery machine at Aliexpress for
5pcs in a lot Haya bobbin case SIZE L BC-DBZ(1)/ BC-DBZ(1)-NBL/ BC-DBZ(3)-NBL bobbin case for tajima barudan embroidery machine
Haya Standard Size L Bobbin Case: PinPoint International