Also called Jeans Twin Needle. Perfect for sewing double rows at the same time on extra thick woven fabrics. The medium ball pont and reinforced blade cause less deflection of the needle and reduces the risk of needle breakage and skipped stitches. System: 130/705 H-J ZWI. Size: 4.0/100 (4mm distance between needles, needle size 16/100) 1-pack. Carded.