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57mm and 75mm Carbo Ratchamatic® is adjustable for many applications and weather conditions
and condition the bearing surfaces
The Harken 40mm Carbo Air® Single Block includes an integral becket that allows either a 2:1 or 3:1 purchase
Harken 22mm Upright Lead Micro Block is excellent for leading control lines aft from the base of the mast
They are compact and lightweight
HARKEN 22mm Double Micro Block, 226 Harken Specialty Series_Element 57mm and 75mm Carbo Ratchamatic®Low friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Micro block sheaves run exclusively on ball bearing systems for fast trim and release under any load. Delrin ball bearings are UV stabilized with carbon black for maximum protection. Stainless steel sideplates add strength.
