HARKEN 29mm Single Thru-Deck Bullet Block with Fairlead, 110 Deck Cleats_Standard A stainless steel shackle post

A stainless steel shackle post and framework support the glass fiber-reinforced cheeks to increase block strength while minimizing overall weight

Great for mainsheets

Harken 22mm Micro Block Traveler allows for two standard single blocks linked for use on a traveler

Compare them to plain bearing blocks from competitors

Lewmar's Synchro Blocks are engineered for speed

HARKEN 29mm Single Thru-Deck Bullet Block with Fairlead, 110 Deck Cleats_Standard A stainless steel shackle postLow friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.