Anodized Aluminum tubes with Stainless Steel hardwareQuick release design makes loading and unloading of boards an easy taskDesigned to be easily removed and re-attached for bike use without a surfboardFoam padding on the tubes prevent damage to your boardAttaches to seat post onlyNot recommended for use with SUPsShortboard CarrierBolt-onBlackBoards up to 7ftUPC/EAN/GTIN: 860007940217