This is the product description text that will appear here.
Quantity
1
Replacement metal bobbin for industrial post-bed (cylinder arm) lockstitch sewing machines.
Dimensions: 21.8 mm outer diameter × 9.75 mm width × 6 mm shaft hole —
Compatible with Speedway 810/820/818D/591Q/9910/9920, JACK S5/S7, Siruba P717...