Compatible with all dental thermoplastics and can be applied for making night , prosthetic teeth custom trays, base plates, and copings. Solid steel rust-resistant body with rugged painted finish protection. Has a built in vacuum pump and doesn’t need an extra compressor. Symmetrical heating element, ensuring uniform heat distribution.Low noise in operation. Comes with 15pcs 1.5mm thermoplastic sheets,which have excellent wear resistance and stability. Largest object size that can be placed on the platform is 5" x 5". The forming depth is about 2". Can work with both square plates or round plates.