The Korum Any Chair Ripple Arm has been designed to turn your chair in to a fully flexible tackle station. It features a knuckle that fits on to your chair leg and inserts to fit all sizes. Anglers can use the ripple arm as a butt rest or a rod rest and features a threaded insert to add additional accessories.Transforms chairs in to tackle stationFeatures a knuckle to fit onto chair leg Can be adjusted with handwheel system Supplied with inserts for 23mm round, 25mm round and 23mm square legs Use as a butt rest or rod restFeatures a threaded insert that allows anglers to add additional accessoriesMulti-purpose attachment that fits directly to chairsComes complete with a quick-release adaptor