For testing static and dynamic one and two-point discrimination. Set includes two disks that quantify innervation density from 1 to 25 mm. Useful as a postoperative therapeutic aid for desensitization and home programs following nerve repair. Each octagon measures a different range of 8 labeled fixed 2 point intervals ranging from 1 to 25 mm fir accurate and consistent measurements. Easy to use lightweight plastic wheel is the perfect sensory evaluation tool to test static and dynamic 1 and 2 point discrimination.