... . Type C,F,H,G for mending the top fish O.D. 3. Type B,D,I,J,F,G,M,N for hard stratum ... . Type C,F,H,G for mending the top fish O.D.3. Type B,D,I,J,F,G,M,N for hard stratum ... washover or stabilizers washover. Main Models:TypeO.D.(mm)I.D.(mm)Length ...