4 blades Chevron Drag Bit

Description Lbs. Kg 2 3/4" (70mm) Step Drag Bit, 4 Thd N Rod Pin - - 2 7/8" (73mm) Step Drag Bit, 4 Thd N Rod Pin - - 3" (76mm) Step Drag Bit, 4 Thd N Rod Pin - - 3 1/8" (79mm) Step Drag Bit, 4 Thd N Rod Pin - - 3 1/2" (89mm) Step Drag Bit, 4 Thd N Rod Pin - - 3 3/4" (95mm) Step Drag Bit, 4 Thd N Rod Pin - - 3 5/8" (92mm) Step Drag Bit, 2 3/8" API Reg. Pin - - 3 7/8" (98mm) Step Drag Bit, 2 3/8" API Reg. Pin 5.0 - 4 1/4" (108mm) Step Drag Bi