Universal 4-Piece Kayak and SUP J-Bar Carrier - Tool-Free, No Rails Needed Carry up to two kayaks, SUPs, or surfboards with this complete J-bar roof rack set, designed for vehicles with or without side rails (1 in.+ gap required). It securely fits most SUVs, cars, and trucks without drilling or tools. Each set includes four adjustable 18 ft. straps with padded cam locks for tight, scratch-free mounting, plus two 18 ft. bow/stern ropes for extra front/back stability. The shockproof, foldable pads protect your roof and gear, and store easily when not in use. Quick to install, built to last, and ready for any trip-take your water gear anywhere, safely and simply. Material: Steel.