length: 500mm
TPI: 7teeth AND 11teeth
Teeth Hardness: 65Mn HRC 55-58
SK5 HRC 63-67
Material:65Mn/SK5 steel   
Handle：ABS  TPR handle, two color    
Procession: High frequency quenching ,Diamond grinding                                                                   
Surface: Varnish 
or Ielflon
 Chip hole