The HCP1200 is Harken's Through-Deck Coverplate for a lightweight, low-friction wire block, which carries wire and line halyards on boats such as the Mumm 30 and Melges 30. The H310 comes with a standard non-reinforced coverplate. The H310 block assembly is sold separately. This coverplate works optimally with 1/4 in. (6mm) high-strength control lines or wire.
|Max Line Size (in)||1/4|
|Max Line Size (mm)||6|