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The Fowler 52-562-999 horizontal test indicator has a 1.125" diameter black face balanced dial, a 0.030" measuring range, 0.0005" graduations, two carbide contact points, and jeweled bearings, and is designed to measure surface variations in narrow or recessed areas. The black face has a contrasting hand to make measurements easy to read. The 0-15-0 balanced dial has a total measuring range of 0.030" with 0.0005" graduations. The auto-reverse mechanism and jeweled bearings provide accurate measurements. Two interchangeable carbide contacts points 0.40" long have 0.040" and 0.080" ball diameters for use on a range of surfaces. Carbide contact points provide durability for surfaces with a hardness rating below that of carbide. Three separate dovetail mounts allow the indicator to be mounted from the top, front, and back of the indicator and two dovetail clamping stems 3/8" and 1/4" in diameter provide a range of clamping options. The set includes a horizontal-face dial test indicator, a Certificate of Calibration, one 0.080" contact point, one 0.040" contact point, a universal clamp, a height gage attachment, a 3/8" dovetail clamp, a 1/4" dovetail clamp, and a fitted case. Dial readings with three digits, 0-10-0 for example, signify that the indicator has a balanced dial. Dial readings with two digits, 0-100 for example, indicate the dial has a continuous dial. Balanced dials are used for reading the difference from a specific surface reference point. Continuous dials are used for direct readings and usually have a larger measurement range than balanced dials. SpecificationsDial face type and diameter 1.125" diameter horizontal face Dial type and reading Balanced 0-15-0 dial with black face Range and graduations 0.030" range with 0.0005" graduati