Nylon police leads made with 3,000 pound test premium nylon and 1" bolt snaps are the strongest leads you will find. Available in single or double layers and even with convenient snaps on both ends, fitting various uses and needs. The D-rings allow for lead lengths of 41", 51", 60" and 72" from one lead. The Single-Layer Lead is available in Black with 1" stainless steel bolt snap.