Conventional water rescue throwline. The #238-P professional version contains 75′ of 7/16″ Water Rescue Rope (#503), with a 16-strand kernmantle construction for improved grip and abrasion protection. Custom markings are available for this product. Please call or email for details. The #238-B is constructed of a PVC coated polyester mesh. Contains an Ethafoam flotation insert and a quick release buckle on the handle strap.