HARKEN 29 mm Bullet Block - Swivel, 166 Type_Gloves Commonly 57mm blocks are for

Commonly 57mm blocks are for jibsheets and spinnakers on small dinghies

The name hints at its essence: everything that doesn’t contribute durability or strength is stripped away

The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets

and side plates are UV-stabilized with carbon black for maximum protection

The Harken 106 Wire Through-Deck Bullet Block is a heavy-duty turning block with 200 pounds more load capacity than the light-duty 088 Through-Deck Block

HARKEN 29 mm Bullet Block - Swivel, 166 Type_Gloves Commonly 57mm blocks are forHarken designed their low friction Bullet blocks to lead control lines with minimal friction. 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. Wire Bullet blocks use roller bearings to carry higher loads and features hard lube anodized aluminum sheaves for strength and corrosion resistance. Mast exit blocks with cams are used for