YakAttack DoubleHeader with Dual RotoGrip Paddle Holders. Built for Life Guarantee Single point of attachment. LockNLoad Compatible. Includes two RotoGrip Paddle Holders. Includes two SnapNStrap Security Tethers. Includes two sizes of Track Disks.Perfect for anglers with pedal kayaks or motors. Compatible with standard diameter kayak paddles. DoubleHeader is 8.25 In. W. 3.5 In. offset.