This set of five leather sewing machine needles is designed for heavy and extra-heavy materials such as leather, suede, vinyl, and other thick, nonwoven fabrics. The needles feature a wedge-shaped, slightly sharp cutting point that allows them to cut through these materials without creating large holes or tearing. The pack includes three size 90/14 needles and two size 100/16 needles, each color-coded for easy identification. The needles are compatible with various domestic sewing machines, including models from Kenmore, Bernina, Janome, and Juki. The set comes in a compact, transparent case with size markings on the cover for convenient storage and quick recognition. These needles are not suitable for woven or knit fabrics due to their wedge-shaped tip, which is optimized for penetrating heavy, nonwoven materials efficiently.