Based on this product's specifications, here are some alternatives and similar models
Depth Gauge INSIZE 2141-202A 300 mm measuring range, 0.01 mm resolution
Summary description:
Depth Gauge INSIZE 2141-202A is a precision measuring instrument with a 300 mm measuring range and 0.01 mm resolution. Designed to determine depth, slot and step dimensions, it features a rigid beam and vernier-style or dial/decimal readout (model-specific). Suitable for workshop, inspection and quality-control tasks where accurate depth measurement is required.