X1-balck Feature: 1. Safe, reliable and easy to use 2. You can securely mount and remove any size full model casts. 3. High-quality articulators securely holds full models and Lightweight A2-green Features: 1. Brand New Magnetic Dental Articulator Art-2 For Dentist: 2. Lightweight, high-quality MagicArt articulator securely holds full models 3. Conserve materials and time! Quickly and easily mount pre-cast dental models with the high quality, lightweight MagicArt-2 Articulator. 4. With MagicArt, you can securely mount and remove any size full model casts. Serrated C-clamps lock models tightly with a quick adjustment, and a single bolt tightens upper arch into its natural occlusion. Rubber-lined base plate ensures secure mount and protects models. Quick-release hinge allows separation of arches. Strong, aluminum alloy construction with nickel chromium plating