When you use the sewing machine for sewing projects, the thread may get stuck in the split on the spool and always breaks, you can use the spool cap to prevent the thread from entering the cut edge of the spool, thus avoiding thread jamming, broken needles, skipping stitches and more situations to break your precious sewing machine. Spool cap is made of plastic material, these sewing pin caps are designed to last long and provide an effective solution for most of your wire operational needs. Different sized sewing thread spool caps are designed for different spools, medium size well fits for standard spools, large sized caps are suitable for cone shaped spools, small size is for small and long spools, the spool is fixed by in place on the machine by the spool cap so that will not jump during sewing. Small medium large replacement spool caps are widely fit with most brands of embroidery and sewing machines.

Specification:
Product name: Sewing machine spool cap.
Size: Spool cap in 3 sizes: 45 mm / 1.77 inch, 35 mm / 1.38 inch, 25 mm / 0.98 inch.
Material: Plastic.
Color: White.

You will receive:
1 pcs small spool cover.
1 pcs medium spool cover.
1 pcs large spool cover.

Notes:
1.Manual measurement, please allow slight errors on size.
2.The color may exist slight difference due to different screen displays.