This head rack is used forThe MRI frame and the table made of 100% plastic material. The heads of laboratory animals can be fixed at three points on the table: ears, nose, and mouth. When the fixed bracket is installed on the table, the model of SGP-3 designed for rats should be kept within 50mm; If the MPI scanner has a small hole, laboratory animals can pass through the scanner in one place. This allows measurement even when using a small MPI scanner.