• Four, 0 to 90 degree, Two, 0 to 180 degrees & one, 0-to-360-degree scales in 5 degree increments to read range of motion.
• Metal construction with a locking arm.
• Knurled knob adjusts arm tension or fully locks the arm.
• Overall length 30cm.
• Comes in a beautiful pouch for storage.
• A Simple & accurate device to measure joint’s range of motion.