Extremity Kit The MedSource ProSplints provide fast application with a complete hook and loop closure. The foam is thin and shock absorbent which protects without bulk. Each prosplint in MRI compatible and allows for shadow-free x-rays. The universal right/left design means fewer components to carry. The splints are made of materials that are unaffected by extreme hot and cold, making it suitable for all weather conditions. For Ordering PartNo.: MS-Prosplint