Specialized needles designed for use with Singer sewing machines facilitate stitching through thick, durable materials like leather and suede. These needles possess a unique blade-like point that cuts cleanly through tough fibers, preventing damage to both the material and the sewing machine. A standard sewing needle would likely bend or break when used on leather, while a specialized needle creates a precise hole for the thread to pass through.
Using the correct needle type is paramount for successful leatherwork. It minimizes skipped stitches, needle breakage, and uneven seams. Historically, crafting leather goods required specialized tools and considerable skill. The development of these specialized needles simplified the process, making it accessible to a wider range of users and contributing to the growth of home-based leather crafting. Properly selecting and utilizing the correct needle significantly enhances the quality, durability, and professional appearance of finished leather projects.