011559002 Knob.
Used in KOSHIN Trash Pumps to fix PUMP CASING  with the 011558002 COVER BOLTS(4 pcs.)
The SET consist of 4 pieces.  
Material: steel S35C
 
KOSHIN pumps Models powered by HONDA gasoline engine KTH-50X, KTH-80X, KTH-100X
KOSHIN pumps Models powered by KOSHIN gasoline engine KTZ-50X, KTZ-80X, KTZ-100X 
KOSHIN pumps Models powered by YANMAR diesel engine KTY-50D   
                                                                                                         
Suitable for other OEM trash Pumps powered by HONDA engine:
- HONDA WT20, WT30, WT40
- PRAMAC  MP43-2, MP66-3                                   
- SDMO XT 3.78 C5
- Wacker Neuson PT2A(I), MDP 3 (old model)                                                                                      
- Endress (old modes) EMP 205T, EMP 305T                                                                              
 
Used in old KOSHIN trash Pumps Models: 
- powered by Robin-SUBARU engine KTR-50X, KTR-80X, KTR-100X
- powered by Mitsubishi engine KTM-50X, KTM-80X