HARKEN 22mm Triple Micro Block, 228 Item Type_Blocks Ball bearing swivel bases feature

Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads

The 438 adapter plate is perfect for mounting on masts and booms

Big Bullet blocks can be used as main or jib sheet blocks on dinghies

Lightweight Carbo Ratchets are available in 40mm

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength

HARKEN 22mm Triple Micro Block, 228 Item Type_Blocks Ball bearing swivel bases featureHarken 22mm Triple Micro Block handles loads to 500 pounds. Micro Low friction extremely lightweight, free running blocks are compact. Designed for any number of uses on dinghies and for lightly loaded control lines on boats of all sizes. Derlin ball bearings are UV stabilized with carbon black for maximum protection and stainless steel side plates add strength. Use inside masts, booms, lead car returns and tackle.