The Schmetz Twin needle size 4.0/100 is ideal for sewing parallel seams on heavy fabrics. With two parallel needles separated by a fixed distance, this needle creates perfect double seams, which is ideal for finishing hems, creating decorative stitching and adding a professional look to your sewing projects.

This needle is suitable for use on heavy fabrics such as denim, canvas and other thicker textiles. The size 4.0/100 refers to the thickness of the needle and the recommended fabric thickness for which it is best suited.

Add this Schmetz twin needle to your sewing kit for precise and professional results when sewing parallel seams on heavy fabrics.