Curtis Industries Angle Beam Calibration block Curtis industries| 19706 Curtis Industries Angle Beam Calibration block Print Curtis industries| 19706 Curtis Industries Angle Beam Calibration block Miniature angle beam block for shear wave distance, beam index, refracted angle and sensitivity calibration. 0.500" thick, it contains a 1.000" radius opposite a 2.000" radius and a 5/64" diameter hole x 0.375" deep flat bottom hole. QXX-5026: Angle beam calibration block, steel 1018, with wood case and certificate. QXX-5026A: Angle beam calibration block, 7075-T6 aluminum, with wood case and certificate. QXX-5004: Angle beam calibration block, 304 stainless, with wood case and certificate. Case: HC-MAB: Standard hardwood case for miniature angle beam blocks. Request for information