[Self locking design strap] The black strap has a self-locking mechanism for easy operation. Simply insert the curved tip into the , the smooth edge can quickly and evenly shrink, and the locking teeth can fix the tie at the desired length. The self-locking mechanism of the tie is very reliable, with strong locking force and difficulty in loosening The maximum tensile strength of nylon ties (300mm x 7.6mm) can reach 70KG. The tensile strength is determined by the width. Our is widened (0.3 inches/7.6mm), combined with high-quality materials, and has a higher tensile strength than other smaller tie widths The is made of sturdy modified nylon 66 material, which is very sturdy. The tie has cold resistance and heat resistance, with a working temperature of -25°C to+85°C. The tie is not only weather resistant, but also UV resistant, suitable for outdoor use. UV resistant straps are and perfect fixation of items for extended periods of time, even under extreme conditions Indoor and outdoor