The Ruff Leash 2.0 is a shock absorbing dog leash that has a spring that's designed to absorb the impact of your dog pulling during walks. The handle is soft and cushioned with neoprene. The super hook has a screw lock that can be locked by rotating it for extra safety. Available in 2 sizes, it's no wonder that the Ruff leash was voted the best dog leash in the world by Pet Product News International. Shock absorbing co-injected polyurethane spring. Absorbs the intensity of your dog pulling. Super hook swivels 360 degrees and locks when you rotate the screw lock Soft Neoprene padding on the handle for extra comfort Sizes: Small – Width: 0.8 in | Length: 4 ft Large - Width: 1 in | Length: 4 ft