The ProGrip Replacement S Hooks for Adjustable and Standard Natural Rubber Tarp Straps are designed to be a replacement hook compatible with the ProGrip Natural Rubber Tarp Straps and Adjustable Tarp Straps although can be used with other items. Ideal for construction workers, truck and trailer vehicle owners who frequently transport cargo, as well as at home uses. S-Hooks are zinc plated, allowing corrosion resistance along with strength and durability. When used with rubber tarp straps, s-hooks provide easy hook application and secure holding power. Reusable hook designed for light duty application and easy slide in and slide out of strap for accessibility and customization. ProGrip Replacement S Hooks for Adjustable and Standard Natural Rubber Tarp Straps come in pack of 4.