Features Faster Measurement Thanks to the pen design, this paint thickness tester is very easy to use and can test the coating thickness quickly and accurately. NO BATTERY REQUIRED: No calibration or battery required, the lightweight and compact layer thickness test pen also has high accuracy. Easier Reading This paint tester has a micron color indicator bar that makes it easy to read paint or putty thickness. 【Magnetic Tip】The magnetic tip is very easy to contact with curved surfaces and hard to reach places, greatly simplifying your work. Waterproof to use: the waterproof design allows for convenient testing in rain and dirty vehicles, and the operation is also very simple. Specification: Item Type: Paint Thickness Gauge Waterproof: IP6X. Use: direct use Package list: 1 x paint thickness gauge. Package List 1 x Paint Thickness Tester