Thanks to Dazz for the info. I contacted OTB marine - their's are $149 a pair but they are out of stock until mid September.

AHPC also have chocks in two sizes, 200mm thick ($160) and 100mm thick ($80). AHPC call them "stern supports".

Last edited by Greg/Debra; 07/31/14 06:18 AM.
1140 Gadfly
1434 J.I.B.E.
1727 Atreus