Truck cargo gate bed divider: Msp-01; Bed width range: 45&quot; to 49&quot; (under the bed rails). SpacePac a GREAT GIFT IDEA FOR PICKUP ENTHUSIASTS! Click on the Merikor Enterprises link below to select from seven different sizes. Please note: We prefer to have your truck make, year, and model to ensure the best possible fit (please send &#x27;note to seller&#x27;).