Unlock precision with our premium 5-pack needle set! Each pack boasts 10 needles per size, totaling 50 needles crafted with German engineering excellence. Perfect for walking foot, bar-tacking, and double-needle machines, the 135X17 DPX17 SY3355 system ensures flawless stitching every time. Elevate your sewing game with unmatched durability and performance. Sew smart, sew sharp! ==== FEATURES: ==== **A) Precision Engineering for Flawless Stitching:** Each needle in this set of 100 Groz-Beckert Industrial Sewing Machine Needles is meticulously crafted with German precision engineering. Designed to deliver flawless stitching, these needles ensure every seam is perfect, every time. Whether you're working with delicate silks or heavy-duty denim, expect unparalleled accuracy and consistency in your sewing projects. **B) Superior Durability and Longevity:** Made from high-quality, industrial-grade steel, these needles are built to last. Their superior durability means they can withstand the rigors of high-speed sewing and heavy fabric without bending or breaking. This longevity not only saves you money in the long run but also ensures that your sewing machine operates smoothly and efficiently, reducing downtime and maintenance. **C) Versatile Compatibility for All Your Sewing Needs:** These Groz-Beckert needles are designed to be universally compatible with a wide range of industrial sewing machines. Whether you're a professional tailor, a fashion designer, or a DIY enthusiast, these needles are perfect for all your sewing needs. Their versatility allows you to switch between different fabrics and projects effortlessly, making them an indispensable tool in your sewing arsenal.