【Extra Strong】Tresbro dog leash wire cable is a heavy duty cable, made of stainless steel wire 5mm in diameter, double crimp for stronger ends, ultra strong and enduring for dogs up to 250 lbs. All the cables have been rigorously quality tested, it can withstand up to 5KN of tensile force. Provide more space for free movement while ensuring its safety. 【Upgraded Clasp & Night reflection Design】The dog leash cable is equipped with two safety 360° rotatable buckles that need to be pressed and twisted, so the double fixing design is adopted, which will not entangle the chain on dogs and provides higher security. You'll never have to worry that your dog will escape from it. The tie out cable can reflect light at night or when the light is low, confirming the dog's position and providing safety protection. 【304 Stainless Steel Heavy Duty Buckle】Tresbro long dog leash use 304# stainless steel clasp, more enduring and anti-rust than others, both ends can be easily attached to a ground post or spiral stake, easily to use. It is a high-quality industrial accessory.