Chock insert for a maritime craft

A chock insert for a maritime craft comprising:

• a first body part including a first end, a second end and a first series of bores, wherein the second end is flared and the first end is relatively narrower than the second end;
• a second body part including a first end, a second end and a second series of bores, wherein the second end is flared and the first end is relatively narrower than the second end,
• wherein the first body part is coupled to the second body part to form a body and the parts are coupled together by fasteners engaged with each series of bores such that the first end of the first body part abuts the first end of the second body part;
• the body arranged to be receivable within or mountable to a chock, the body having an outer surface and an inner surface, the inner surface defining an aperture through the body and bounded on all sides thereby to allow passage of a rope, the inner surface providing a substantially smooth rope running surface which rope passing through the aperture can run over in direct contact therewith, and the rope running surface comprising a plastics material and having a cross sectional area which varies along the length of the aperture from a relatively wide entrance via a narrowed aperture to a relatively wide exit, wherein the outer surface of the body forms a pocket to receive a wall of a boat,
• wherein the outer surface of the body of the insert conforms substantially to the entire inner surface of the chock.