About this item HIGH QUALITY CABLE TIES: The heavy cable tie are made of 304 grade stainless steel, with good antioxidative, anticaustic, uviofast, high temperature resistant, cold resistant performance HEAVY DUTY CABLE TIES: The strength tensile of a zip tie depends on its width. Our Cable ties with 270 lbs are 0.18 inch/ 4.6 mm wide, 12inch / 300mm. These steel zip ties are strictly polished, smooth without cutting hands, to protect your safety MULTIPLE APPLICATIONS: These stainless zip ties are perfect for outdoors, gardens, farms, pipes, roofs, basements, chain link fences, building chicken coops, exhaust wrap, home maintenance,organized and binding using, etc EASY TO USE: These newly upgraded metal zip ties are designed with self-locking buckle, which are strong, durable and easy handling, making it unable to be separated after button up