Certified Test Cards
- Cards are color coded on each side, to indicate metal type; Ferrous (BLUE), Non-Ferrous (GREEN), Stainless Steel (RED)
- Cards are available with test spheres in sizes 0.3mm to 4.0mm
- Constructed using heavy duty laminate, includes tab hole for easy storage
- Card size: 2.5" x 4.25”
- Custom sizes of test cards and test spheres available, please contact
- Certificate of conformity included.