Accuracy is not the highest. Good thing there are 4 of them. I put all 4 side by side on my van's tubular metal bumper. Everyone reads differently. So I got a more accurate level and found that 1 out of 4 is the closest and that's what I put on my van's tongue to use. The magnet doesn't seem that strong, but I took three hours of rides with it before it got stuck on the frame and it's still there. strong enough
Johnson Level & Tool 40-0912 Self-Leveling Cross-Line Laser Level, Red, 6 x 7 Inches
10 Review
DigiPas DWL80PRO: Compact Digital Level & Angle Gauge - Accurate Protractor, Bevel Gauge, and Angle Finder, 0.05° Sensitivity, 4 inch Pocket Size
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Laser level HiLDA 4D/16 set 4
44 Review
Kapro 905 Condor - Professional Magnetic Box Level + High Contrast OPTIVISION Red Vial - 24
23 Review
📏 Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
8 Review
➕ Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
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Swanson Tool S0101 7 Inch Square
7 Review
📏 CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review