Goniometer, 360° (aluminium): four,0 to 90°, two,0 to 180° & one,0 to 360 degree scales in 5 degree increments to read range of motion. Aluminium sheet 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.
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Moti Nagar, Delhi