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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Transom Angles: 3° to 21°
Weight: 320g(11
Use with NMEA 0183 devices and a lamp or horn for visable or audible alerts
Width: 52mm (2
GMR Fantom™ 4' Antenna Array Only
Harken 57mm Single Zircon Block with Becket Boat Sunfish Transom Angles: 3° to 21°The Harken 57mm Single Zircon Block with Becket is designed to allow trimmers to quickly adjust sail shapes to changing conditions. Featuring industrial ceramic ball bearings encased in caged races, these blocks maintain efficiency by preventing the bearings from bunching, touching, or stopping each other. Available in 40 and 57 mm sheaves, in both single and double block options, with or without beckets, these blocks are capable of handling a maximum