Buyers Products Curved E-Track J-Hook provides a convenient place to hang up ropes, straps, cords, and hoses in your truck or enclosed trailer. This 4-1/4 in. hook easily snaps and locks into place anywhere along an E-track section. The large hook is made of durable steel with a corrosion resistant white powder-coated finish. Purchase two to easily secure a ladder or loading ramp to to the inside of your trailer.