Ronstan Series 60 Single Ratchet Block SCHAEFER CLEVIS ADAPTERS Commonly used for Harken cars

Commonly used for Harken cars and others

Wichard Single 2 49/64" (70mm) Block w/ Fixed Head w/ Clevis

Max Line Size: 1/2" (13 mm)

Schaefer Flast Base/Dbl/Delrin

Ronstan Series 60 Single Ratchet Block SCHAEFER CLEVIS ADAPTERS Commonly used for Harken carsProduct Description Ronstan Series 60 Single Ratchet Block Product Information The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs up to 20: 1 holding power. Unrivalled low weight is achieved by the use of a Torlon ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On Off switching knob is fitted to both sides of the swivel