Hopkins Towing Solutions Screw On Level. Rugged high-impact plastic construction with easy-to-read yellow-green glass vial. Comes in an attractive white finish. Features of Hopkins Towing Solutions 9025 Screw On Level Color: White Attaches permanently High-impact plastic Quick and simple to install Package Contents: Hopkins Towing Solutions 9025 Screw On Level Hopkins Towing Solutions 9025: Screw On Level