Check the listing for details. Goniometer 12.5" 360° Clear Range of Motion Protractor w/ testing DVD (8918)RK. Condition: New – Open box. Listed at 29.99 USD. Set Includes.... 12.5” Plastic Protractor GoniometerClear, plastic constructionMeasurements displayed in inches and centimeters (on both arms)360 degrees of coverageScale reads 1-degree incrementsNational Posture Institute branded goniometer for a professional look! Retail - $19.99 The National Posture Institute’s Professional Series- Goniometer and Joint Range of Motion Testing™ DVDThis DVD is designed for personal trainers, group exercise instructors, athletic trainers, allied medical professionals (physical therapists/chiropractors) interested in learning a detailed process to assess their clients/patients joint and muscular range of motion (ROM) using a Goniometer. The DVD will teach you how to analyze and assess an individual utilizing a goniometer as a measuring, evaluation, and assessment tool. Retail - $49.99