Based on this product's specifications, here are some alternatives and similar models
Paint Thickness Gauge No name MGR-13-S-FE (model 1514) — automotive nondestructive coating measurement
Summary description:
Handheld paint thickness gauge No name MGR-13-S-FE (MPN 1514) for nondestructive measurement of coating thickness on ferrous substrates. Compact instrument for checking automotive paint, primer and clearcoat layers, providing quick on-site readings to assess repainting, corrosion protection and finish uniformity. Suitable for inspection, servicing and quality control applications.