Overlay Chart, Four Magnification, Radius & Angle – 40-369-1

14" Overlay Chart, Four Magnification, Radius & Angle 14 Inch Diameter, Radius and Angle, Mylar Optical Comparator Chart and Reticle For Use with 10x, 20x, 50x and 100x MagnificationFour Magnification - Radius & Angle (15, 30, 45, 60 & 75) Item Number 10X