Feature 1Wide Range Of Applications: Spinal goniometercan be applied for measuring the range of joint motion and the angle of the spine, etc., then treat according to the actual situation. 2Pain Rating Scale: Each facial expression represents a different level of pain, and patients are asked to choose an expression that can represent their own level of pain. 3Clear Scale: Easy to read, reasonable design, flexible operation, easy to use. Smooth surface and mellow corner, will not scratch skin, can be used with confidence. 4Portable Design: An important and necessary tool for physical treatment, exercise treatment or rehabilitation programs. Small and lightweight, easy to store and carry. 5Plastic Material: Orthopedics ruler is made of excellent plastic material, safe and eco friendly, firm and sturdy, not easy to crack or break, stable and durable.SpecificationItem Type: Orthopedics RulerMaterial: PlasticUse: Vernier evaluation ruler, facial expression digital pain rating .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Orthopedics Ruler