This set includes ten curved needles designed for use with most industrial blind stitch sewing machines. The needles are compatible with various system models, including LWX2T, 29-20, 29-34, 29-35, 29-49, 29-bl, 2140tp, and sy7395. Each needle is size 10, measuring approximately 2-1/2 inches, suitable for precise blind stitch sewing tasks. The curved design facilitates smooth stitching, making it ideal for professional and industrial sewing applications. The pack provides a convenient supply of high-quality needles, ensuring consistent performance and durability during sewing projects. Perfect for replacing worn needles or maintaining your sewing machineβs optimal operation, this 10-piece set offers reliable tools for efficient blind stitch sewing.