Precision 4-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 | 1018 Steel (other materials available) |
| Step Thickness | 0.25''-0.5''-0.75''-1.0'' |
| Type | Inch |
| Step Size | 0.75" (L) * 0.75" (W) |