Pack of 25 sewing machine bobbins, made of durable metal with no sharp edges. Bobbin case included for easy storage. Compatible with W6, Pfaff, Brother, and Singer sewing machines.

Perfect Design - These sewing machine thread spools are made of high-quality stainless steel. Each spool is straight and vertical. Without bending or deforming, they are securely attached to the sewing machine, eliminating unwanted noise. Ideal Curvature - During manufacturing, all spools are molded. This process guarantees an ideal curvature of the coils, ensuring optimal preservation of your sewing thread. Optimal Dimensions - The spools are 11.5 mm wide and 20.5 mm high, suitable for most standard sewing machines. The inner ring diameter is 6.3 mm. Consult the user manual to verify the compatibility of the spools with your sewing machine. Elegant Spool Box - A practical storage box that holds up to 25 spools. Your thread spools can thus be stored efficiently. Whether they are empty or full, it doesn't matter. Each box is designed to close completely.