MONOTRAC - VSP Quadrant Articulator / Set of 100By Monotrac Monotrac VSP (Vertical Single Pour) insert trays are designed for single pour, cast in place set ups with solid locking dies. Cast in place occlusion. Fast single pour set up. Solid, accurate die relocation 360 degree natural excursive flex. No pins. No glue. No model grinding. Includes: 200 Bases and 100 sets of hinges Pinless single pour, cast in place articulator Tear away base formers No Rubber Base Molds required See Instructions