Description
Bobbin Size Standard “L-Style” (approx. 21 mm dia.) or Large “M-Style” (approx. 25.4 mm dia.)
Consistent Bottom Tension: Micro-adjustable tension leaf screw for dialing in heavy-thread drag without slipping.
Anti-Spin Technology: Integrated brake spring eliminates thread jamming and bird-nesting when stopping at high stitch speeds.
Wear-Resistant Finish: Smooth, snag-free surface prevents thread abrasion and premature heat build-up under continuous operation.
