Baseline© Plastic Goniometer - Finger - HiRe(TM) Flexion to Hyper-Extension: Transparent HiRe(TM) plastic finger goniometer permits observation of joint?s axis of motion and its range of motion *The HiRes(TM) design ads a white line behind measurement gradations to make the readings easy to see *The head has three scales ranging from 30¯hyperextensions through 120¯ flexion calibrated to be used with the ISOM (International Standards of Measurement STFR) system *Arm has a linear scale in inches and centimeters and remains at measurement position until reset *Angle scale reads 1¯ increments *Dimensions: 5.5 x 0.1 x 2.25 *Weight: 0.1 lbs *UPC: 714905037503