Leather processing on sewing machines is among its special challenges – a professional sewing machine needle is recommended here, with which all light to heavy leather types can be ideally sewn. The "Leather" sewing machine needles meets all the strictest requirements, since its specially shaped trocar tip easily cuts material without damaging it. At the same time, it consistently prevents the formation of perforation seams. The needles are made in premium quality, can be used in any conventional household sewing machine, and are suitable for processing with every conventional thread. Five sewing machine needles in thicknesses 80, 90, and 100 are included in the assorted storage box.