Premium Stainless Steel Construction Made of stainless steel, these M5 casters are durable and reliable for your dial indicator applications. Adjustable Calibration The adjustable design allows for precise calibration, enabling accurate readings on your dial gauge and reducing measurement errors. Scratch Free Operation Designed to prevent scratches, the probe maintains the integrity of your rims during testing. Broad Tool Compatibility Suitable for electronic and digital indicators as well as dial indicators, making it a versatile choice for different test scenarios. Use Scenarios - Dial indicator calibration on a benchtop setup: use the M5 casters to achieve precise, repeatable readings with minimal drift. - Quality control checks: connect to electronic, digital, or dial indicators to verify part runout or alignment across multiple tests. - Rim testing: employ the scratch-free probe to protect rim surfaces while obtaining accurate data during testing and inspection.