Ensure perfect rail to rail alignment when mounting equipment in your server rack with these rack unit labeling strips these labels help you install equipment in your server rack more easily you can add up to 49 unit markings on either side of any rack this is perfect for adding unit measurements to server racks that dont have unit markings or to older racks that have had their markings worn off over time this taa compliant product adheres to the requirements of the us federal trade ag