Comprehensive Pack: Receive a generous set of 150 heavy-duty sewing needles, ensuring you have a sufficient supply for all your sewing projects. Ideal for replacing worn-out needles, this pack keeps you equipped for any sewing challenge. Optimal Size for Tough Materials: Each needle measures 1.57 inches (40 mm), crafted specifically for penetrating thick materials like denim, leather, and heavy coats. These needles are designed to handle substantial fabrics with ease, making your sewing experience smoother. Durability with Premium Materials: Constructed from robust iron alloy, these needles boast high hardness and sharp tips, ensuring exceptional penetration power. Their sturdy build prevents bending, offering you a durable solution for your sewing needs.Universal Fit for Home Sewing Machines: Designed to fit most domestic sewing machines, these needles offer high compatibility across various brands. Smart Shank Design: Featuring a flat side and a round side on the shank, these needles are tailored for standard flat shank home sewing machines. This design ensures easy installation and a secure fit, enhancing your sewing efficiency. **Rose-cha - Quality and Innovation for Your Everyday Needs ** We cherish every aspect of life, which is why we infuse it with only the best. Whether it's for your home, your pets, or just something to beautify your space, Rose-cha has everything you need. With years of expertise and a multitude of satisfied customers, we offer reliability you can depend on. **Why Choose Rose-cha?** **Sized for Tough Jobs:** Each needle is precisely measured at 1.57 inches (40mm), making them ideal for handling tough materials like leather, denim, canvas, and thick winter fabrics. **Strong & Sharp Build:** Manufactured from a robust iron alloy, our needles resist bending and maintain sharpness for clean, powerful stitching thr