HARKEN 57mm Self-Contained Sheave, 2760 Blocks_Fiddle Commonly used for spinnaker sheets

Commonly used for spinnaker sheets

Use for main/jib sheets

Pulpit Furling Lead and Clamp-On Furling Block fit 1" tubing for mounting to stanchions

Ronstan designs and manufactures world-class blocks and pulleys for all types of sailing

Smooth edges protect your lines from chafing and wear

HARKEN 57mm Self-Contained Sheave, 2760 Blocks_Fiddle Commonly used for spinnaker sheetsThe Micro, Bullet, and Big Bullet sheaves are Delrin with Delrin ball bearings. They are scored for rope. 16 mm sheaves are Delrin and feature stainless ball bearings that ride in a grooved race. Midrange sheaves come in either Delrin or aluminum for wire. Wire sheaves are Hard Lube anodized aluminum that rides on high load composite bearings. Ball bearings in the 38 mm (1 1 2") and 51 mm (2") sheaves minimize friction. The 25 mm (1") wire sheave uses