The levels are ok but as they come in the form of an adhesive pad for attachment they do not stay level after installation. I removed the sticky pad and used contact cement to permanently attach them to the side of the trailer.
π 60MM High Precision Horizontal Bubble Cardan Level for Accurate Measurements
9 Review
π΅ IRWIN Tools Bullseye Level (1794487) - Blue
9 Review
π Kapro 905-41-24 24-Inch Level Tool - Premium Bubble Level with Shockproof End Caps, Superior Accuracy & Visibility, Optivision Red and Plumb Site Dual View Vial, Condor Spirit Level
10 Review
DigiPas DWL80PRO: Compact Digital Level & Angle Gauge - Accurate Protractor, Bevel Gauge, and Angle Finder, 0.05Β° Sensitivity, 4 inch Pocket Size
11 Review