Thule SUP Taxi XT 810XT Longer steel-reinforced webbing and spring-loaded locking cam accommodates bigger boards with unsurpassed security Exclusive, telescoping design delivers a custom fit for board widths up to 34" wide Equipped with Speed-Link mounting system for convenient, tool free mounting 2 One-Key locks (included) to secure stand-up paddleboards in the carrier and 2 One-Key lock cylinders included to lock the carrier to the rack Fits all Thule Rack Systems, round bars and most factory racks