About Our Products： Easy installation Professional installation is highly recommended The inner liner plays the role of sealing, heat preservation and fixing the carrier to prevent the damage to the carrier caused by vibration, heat deformation and other reasons. Fit For： Size/Dimensions: Outside dimensions 4-3/4" x 4-7/8" Package Includes： 2 * heavy duty locking t-handles Tips： Before you leave us negative/neutral feedback, please feel free to contact us, we are happy to solve the problems you encountered. .