Sell 6Pcs Medical Ruler Spinal Finger Goniometer 180/360 Degree onerttuo best price

Model number:Medical Spinal Ruler Brand new permits observation of the joint's axis of motion and range of motion. Precision and reliable. Easy to use and carry. Durable to use. colour:Photo Color Material:plastic Package Contents: 1*6 inch 360 degree goniometer 1*8 inch 360 degree goniometer 1*12 inch 360 degree goniometer 1*6 inch 180 degree goniometer 1*6 inch finger goniometer 1*8 inch spine goniometerOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.