HARKEN 22mm Triple Micro Block, 228 Item Type_Blocks Element blocks introduce sideplates that

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

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

It is perfect for small synthetic control lines found on high-tech dinghies

Element: Harken design and engineering—value-price

and 75mm sizes

HARKEN 22mm Triple Micro Block, 228 Item Type_Blocks Element blocks introduce sideplates thatHarken 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.