Harken's compact 29mm Carbo block is extremely strong. This block features a U-lock to hold the swivel in front/side position, or to let it spin freely. The triple's compact cam arm supports high-load purchases of 5:1 or 6:1.

Specifications:

• 990 lb. SWL
• 2000 lb. breaking strength
• 5/16" maximum line diameter
• 3/16" shackle pin diameter
• 2-7/8" long
• Harken #344.

Hobie Cat® uses #H2640 for this block.