Split bottom surf rack pads fit wider Thule Rapid Aero bars, Xsporter, and most factory racks. Set of two 18 in. pads. . High-density foam padding provides maximum surfboard or stand-up paddle board protection. No-fade UV resistant fabrics for long term durability. Sewn-in hook and loop straps and convenient bungee cinch-cord ends allow for fast and easy installation, removal and adjustment (tie-down straps sold separately). Fit Thule Rapid Aero bars, Xsporter, and most factory racks. Pad length: 18 in.. Set of two pads. 91021970427 19598800012 803