Feature:1. 6PCS SET: There are six rulers in this set, featuring six different sizes for users to choose from for their convenience.2. PVC MATERIAL: This set of rulers made of PVC material, wear resistant and drop resistant, strong and not easy to break, durable.3. TRANSPARENT DESIGN: This set of rulers for the fully transparent design, with a clear scale, easy for users to read, is a very practical set of measuring tools.4. DUAL USES: This ruler can measure both the length and angle, a multi purpose, combined into one, very convenient.5. MAIN APPLICATION: This ruler is mainly used in medical, medical, orthopedic and other professions that require measurement.Specification:Item Type: Medical Goniometer SetMaterial: PVCSpecification: 1 x 6in 360 Medical Goniometer, 1 x 8in 360 Medical Goniometer, 1 x 12in 360 Medical Goniometer, 1 x 6in 180 Medical Goniometer, 1 x Finger Ruler, 1 x Bone Ruler.Package List:1 x 6in 360 Medical Goniometer1 x 8in 360 Medical Goniometer1 x 12in 360 Medical Goniometer 1 x 6in 180 Medical Goniometer 1 x Finger Ruler1 x Bone Ruler