Cable loop sleeve made of high quality 316 stainless steel, wear-resisting, anti-corrosion, anti-rust, suitable for indoor, outdoor or humid environment The crimping loop sleeves 3/8 are heavy duty, easy to use, without effort, just lock both ends of the guide wire by hydraulic crimping tool ,CANNOT crimp these in a vise with pliers. They're Stainless Steel! The steel crimping loop is sturdy,no-rust,a good solution for fixing and transporting general purpose cable These cable crimps fit for steel wire rope diameter in 1/4-1/2 inch; oval hole design style will meet the needs of you The crimping loop are suitable for dog leashes, clothes lines or anything else that require strong cable, can meet your different needs in daily life JY-MARINE wire rope sleeves made from stainless steel 316, commercial marine grade excellent for indoor and outdoor,superior strength and rust resistance over grade 304,galavanized and cost iron,strong and durable.they can be used for a long time.