PK1100B1/4
                                                                                                
                                        
                                            
                                                Phenolic, Serrated Knob Design, 6.35 mm [.25 in] Shaft, 17.8 mm [.7 in] Diameter, Black, Dot Indicator, Switch Knobs
                                        
                                         
                                        
            PK1100B1/4
                            
            
                
                    Phenolic, Serrated Knob Design, 6.35 mm [.25 in] Shaft, 17.8 mm [.7 in] Diameter, Black, Dot Indicator, Switch Knobs