Scope of use: The outer diameter of LS-204 wire coil is within 380mm. Within a thickness of 100 millimeters. The inner diameter of 70-180 millimeters can be adjusted The outer diameter of LS-206 wire coil is within 250 millimeters. Within a thickness of 100 millimeters. The inner diameter of 70-180 millimeters can be adjusted LS-204+wire coil with an outer diameter of less than 380mm. Within a thickness of 150 millimeters. The inner diameter of 70-180 millimeters can be adjusted