Inner core adjustment seat
                            
                            
                            
                                
                                
                                
                                
                                
                            
                            
                                
                            
                            
                            
                                Material 303/304, adjust the focus position of the laser cutting machine through the displacement of the side spiral groove.                            
                            
                         
                     
                    
                        
                        
                            
                            
                                The inner core adjustment seat is designed with long-term stability in mind. Through the design of the positioning screw groove and the selection of high-quality materials, it can provide long-lasting adjustment performance and maintain a stable support effect. This means the seat will not loosen or deform after prolonged use, maintaining long-lasting comfort and support.