A Scrubsmart Exclusive. The Elite Medical Instruments 6 Piece Goniometer Set + Tape Measure. The head of these goniometers feature 360 degrees of coverage in 1-degree increments to ensure ISOM (International Standards of Measurement) accuracy. Measurements in inches and centimeters are on the arms. The clear plastic permits observation of the joint's axis of motion and range of motion. You will receive the following goniometers: one 12" goniometer , one 8" goniometer, one 6" round, one 6" 180 degrees, one Finger Goniometer, and 1 tape measure - 7 pieces total! Quality goniometers from an American brand, Elite Medical Instruments.