1,Suitable for den~tal school to traning 2,A portable internship system with a variety of user, which can be practiced in the workplace and at home to improve their skills. 3,This is a lightweight and compact economy type simulator. 4,The upper jaw model is fixed with a screw located in the head base,and the lower jaw model is fixed to the lower plate at an open position. 5,It is possible to perform various types of training effectively along with a wide variety of jaw models and optional items such as Oral Cavity Cover. Type:manikin Pillar rolling angle:360° Materials:ABS, Silicone, Metal Adjustment:4 places for adjustment The de~ntal models:28pcs teeth soft,FE articulator. Other accessories:plastic head cover,screws,allen wrenc~h. Size:40*19*19cm Weight:2.3kg Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!