Drill Stabilizer

          PDC 3 7/8''

          PDC 4 5/8''

            PDC 4 3/4''

             PDC 5 1/2''

Tricone 5 7/8''537

Tricone 14 3/4'' 117

Tricone 12 1/4'' 537

Tricone 10 5/8'' 537

Tricone 20'' 637

Tricone 15 1/2'' 517

Tricone 14 3/4'' 637

Tricone 12 1/4'' 637

Tricone 12 1/4'' 437

Tricone 8 3/4'' 617

Tricone 12 1/4'' 537

Tricone 9 7/8'' 517

Drag bit  9 7/8''

         Drag bit 15''

Drag bit 8 1/2''

Drag bit 7 1/2''

Tricone 22''517

Tricone 20'' 127

Tricone 17 1/2'' 217

Tricone 17 1/2'' 637

Hole opener 18''

Hole opener 14''

Hole opener 16''

Hole opener 12 1/4''

Tricone 9 5/8'' 737

Tricone 9 5/8'' 637

Single cone 8 1/2''

Single cone 8 1/2''