V3 Test Calibration Block (Inch Version) For calibrating ultrasonic flaw detection equipment in both laboratory and on-site conditions. This block is intended to function as a more compact and light-weight alternative to V1 or IIW-Type Test Blocks. Geometry: Includes 1", 2", and 4" radii, (2) 0.12" diameter through holes, engraved reference mark scales, and a 0.02" wide x 0.1" deep slot. Made in accordance with NDEFLAW Drawing No.105455, with design based on prototypes from the. I&T Nardoni Institute in Brescia, Italy. Dimensions: 6" x 3.5" tall x 1" wide.

V3 Test Calibration Block (Metric Version) For calibrating ultrasonic flaw detection equipment in both laboratory and on-site conditions. This block is intended to function as a more compact and light-weight alternative to V1 or IIW-Type Test Blocks. Geometry: Includes 25mm, 50mm, and 100mm radii, (2) 3.0mm diameter through holes, engraved reference mark scales, and a 0.4mm wide x 2.5mm deep slot. Made in accordance with NDETECH Drawing No.105455, with design based on prototypes from the. I&T Nardoni Institute in Brescia, Italy. Dimensions: 150mm x 90mm tall x 25mm wide.