CB/T 38-1999 Z Double Roller chock

CB/T 38-1999 Z Double Roller chock

Chock form more have closed and open, with no roller and roller type. Which is mainly based on non roller and belt roller classification. Chock generally bycasting, with integral type and a combined type two. Usually installed in the side,found in the tail of the bow. In order to reduce the friction of the ship mooringmulti use roller fairleader.