A finger goniometer measures range-of-motion (ROM) of finger joints (metacarpophalangeal and interphalangeal) and other small joints including toes. Unique design allows measurements to be taken by the therapist using only one hand, this frees up the therapist?s other hand to stabilize the patient during measurement or to record the measurement, the standard finger goniometer requires two hands to make a finger ROM measurement. 6? stainless steel finger goniometer has head with opposing measures 110° flexion through 40° hyper-extension in 5° increments. Linear scale on arm measures in inches and centimeters and has 10cm / 4? scale.