HARKEN 75 mm Aluminum Black Magic Double Footblock with Lockoff, 3237 Item Type_Blocks Harken’s reputation for precision manufacturing

Harken’s reputation for precision manufacturing assures the Gizmos are precision-sized and fit together perfectly when assembled

Cruising ESP blocks complement Harken's existing blocks in looks and function

and spinnaker sheets on dinghies and sportboats

6-8mm line

HARKEN 75 mm Aluminum Black Magic Double Footblock with Lockoff, 3237 Item Type_Blocks Harken’s reputation for precision manufacturingTeardrop blocks are ideal as masthead leads and in other applications where limited articulation or direct attachment is desired. When attached to a compatible padeye, teardrop blocks will not hit the deck when lines are slack but allow enough movement to ensure fairleads when jumping halyards. They are often used on permanent backstays of fractionally rigged boats where the backstay can be spliced directly to the head of the block. Sideplates and