Precision 8-step calibration block manufactured from 1018 steel, designed for accurate calibration of ultrasonic thickness gauges. Features four distinct thickness steps for comprehensive testing and verification.
| Material | 7075 Aluminum (other materials available) |
| Step Thickness | 1-2-3-4-5-6-7-8 |
| Type | MM |
| Step Size | 20mm*20mm |
