... K,L for the junks washover. 2. 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 Description: It is ... K,L for the junks washover.2. 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 ...