Dasco Pro Products AF100M Magnetic Angle FinderDasco Pro Products AF100M Magnetic Angle Finder Features:; Angle finder; Molded from high impact plastic; Read any angle from 0 ° to 90 ° in any quadrant; Instant and accurate within 1/2 °; Angle and grate chart converts pitch or inch and foot; V grooved for easy use; Magnetic base; Made in the USA; 2-3/4" diameter dial; Carded