4SB - 4-Step Calibration Block, 0.250" to 1.00"
5SB - 5-Step Calibration Block, 0.100" to 0.500", for 21055A
710KIT - Ultrasonic Thickness Gauge Kit, 0.030 to 19.999"
NDT-103D - FLOW DETECTOR
NDT-103D - FLOW DETECTOR
NDT103D - FLOW DETECTOR
UTGL-4 - Replacement Ultrasonic Couplant, 4 oz., for 21055A