Perfectmade Stylish Extra Strong Pet Dog Leather Braided Lead Leash and Adjustable Collar Set with Spring Buffer for Medium to Large Build Dog Extra heavy-duty leash with 8x braided leather threads is based on tensile test. The cushioning spring buffer for more flexible and safer in training&walking. Thoughtful platode handle loop reduces the pulling force of friction and increase the comfort in use. Quality stainless plated hardware make the adjustable neck collar hook and lead leash chain clip shiny, weather-resistant and easy to open&close. On the section of adjustable neck hook configures a piece of protection leather pad, specially designed to guard against the press&discomfort to your beloved pet. Leader leash size approx. 46.3 Length  0.79'' Diameter. No pull collar fits neck size 14.6'' to 19.7''. You can also according to the actual neck size of the dog to punch new hole. The maximal length of collar belt is 24.4''(with metal hook).