Boston Leather 60" Agitation Lead Boston Leather's fine leather collars and leads are made with the same high standards as their other quality products. They come in a variety of sizes and are made with cordovan brown top grain bridle leather that will still look good after years of service. They are sewn at all stress points, and are available with your choice of snaps. Compare quality to the equipment you are using now. We're sure you will be pleasantly surprised. 1" wide lead (no O ring included).