Our Titan Chain Dog Leash with Nylon Handle features the security of superior quality chain and comfort of sturdy nylon web. Available in 2, 4 and 6. 4 leashes are available in 2.0, 3.0 and 4.0 mm. 2 and 6 leashes are available in 4.0 mm. All Titan quality chain products are argon welded and chrome plated for maximum strength and durability. Titan chain will not tarnish, rust or break.