Feature: 1. Full Range Of Movement: This orthopedic angle ruler has angular legs that rotate around the scale, providing full range of movement coverage and ensuring accurate measurements. 2. Robust Plastic: This orthopedic angle ruler is made of excellent plastic material and is tough and robust. 3. Transparent Appearance: The transparently coloured exterior of this orthopedic angle ruler allows a clear view of the joint's axes of motion and range of motion. 4. Easy To Read: The orthopedic angle ruler is placed directly on the extremity or joint for observation. The measurement units in inches and centimetres are located on the arm of the height gauge for easy reading. 5. Facilitate Recovery: This orthopedic angle ruler helps to determine the range of motion of the joint. Use a heart rate monitor to measure the progress of recovery after injury to measure this range of motion and determine improvement. Specification: Item Type: Orthopedic Angle Ruler Material: Plastic Use: Multifunctional Ruler . Package List: 1 x Orthopedic Angle Ruler1 x Finger Ruler1 x Corner Ruler2 x Limb Ruler