?STRONG AND DURABLE?These stainless steel zip ties can support weight up to 90KG (198lb) which is 4x more than traditional plastic zip ties, and they also great for use in harsh outdoor environments. ?High Quality Material?Made of 304 stainless steel, high quality, durable, anti-corrosion, anti-UV, high temperature, heavy duty zip ties for outdoor use. ?Self-locking Design?The unique lock head design allows you to tightly lock the wrapped object. These Metal zip ties only need a set of needle nose plier to tighten and a diagonal plier or tin snips to cut the excess zip ties. ?Multiple purpose heavy duty zip ties ?These stainless zip ties are perfect for outdoors, fence, gardens, farms, pipes, roofs, basements, auto application such as exhaust wraps, and more. ?Zip Ties Packing Including?Total:400pcs zip ties assorted sizes.4inch X 100pcs,6inch X 100pcs,8inch X 100pcs,12inch X 100pcs.Each size metal zip ties has a wide range of uses,suit for multiple purpose projects in different situations.