SLEEVE TYPE STABILIZERS FEATURES OF INTEGRAL BLADE 1. Ribs are milled directly from the body. 2. High amount of tungsten carbide inserts spread over a large wall contact area, results in longer tool life. 3. Ribs are provided with mirror type finish with a view to minimise torque and to provide guidance to the bit and collar string. 4. Worn ribs of hard faced stabilizers (inserts by a metal bond) are repairable in Shop.