Has five quick and easy uses: Record a Patient’s Occlusal Vertical Dimension (ODV), Centric Relation, Completely Balance Full dentures, Parital dentures and Implant dentures. Kit Includes: 1 – Massad Instructional DVD, 2 – Striking Plates, 1 Standard & 1 Small 10- Centric Pin Receivers, 1-3 Position Contact Plate, 2 threaded brass pins.