28 HDD hole opener

30 HDD hole opener

34 HDD hole opener

36 HDD hole opener

40 HDD hole opener

42 HDD hole opener

44 HDD hole opener

6 IADC 537 Roller Cutters

7 1、2 Roller Cutters

7 7、8 IADC837 Roller Cutters

8 1、2 IADC 437 Roller Cutters

8 1、2 IADC 537 Roller Cutters