Harken Big Bullet Thru-Deck Block - 38 mm (1 1/2") - 131

The Big Bullet Block - Thru-Deck is a low-friction block that leads control lines aft. They are compact and lightweight, with fast trim and release under high or low loads.

Features:

• Compact and lightweight
• Fast trim and release under high or low loads
• Blocks adapt to almost all control line applications
• Delrin ball bearings, sheave, and side plates
• UV stabilized with carbon black for maximum protection
• Wire bullet blocks use roller bearings to carry higher loads
• Feature Hardkote-anodized Teflon impregnated aluminum sheaves
• Strength and corrosion resistance
• Mast exit blocks with cams used for halyard controls and under boom mainsheets
• Pivoting exit blocks with cams are often used for halyard controls and as "head knockers" for sheeting directly from the boom
• Designed for use with:
  • Outhauls
  • Barber haulers
  • Traveler controls
  • Flag Halyards
  • Vangs
  • Cunninghams
  • Furling line lead

Specifications:

• Maximum Working Load: 300 lbs (136 kg)
• Breaking load: 2000 lbs (907 kg)
• Weight: 2.25 oz (64 g)
• Sheave diameter: 1 1/2" (38 mm)
• Maximum line size: 3/8" (10 mm)

Note: do not use Harken Equipment for human suspension.