Claw bits

Claw bits d. 127 and 162  Claw bits d. 127  Claw bits d. 127
Claw bits d. 127 Claw bits d. 127 and 162

 Claw bits d. 162 based on the automatic valve

 Claw bits to lose  Claw bits with helicoidal   Claw bits with helicoidal