Harken Big Bullet Cheek Block

Item# 132

Harken Big Bullet Cheek Block usually available 5-7 business days upon ordering.


Celestial Navigation A simplified, yet complete Celestial Navigation system. Includes everything you need: sextant use and corrections, starfinder for 18 stars, data entry form, and step-by-step sight reduction and plotting procedures. May be scored and separated; large portion fits in the sextant case for quick reference, and small part acts as a waterproof data reduction card

  • Standard Equipment on US Coast Guard Patrol Boats
  • Weatherproof High Strength Plastic - Quick Reference Card
  • 8.5" x 11" Size - Full Color Both Sides
  • Punched for Binder or Bulkhead Mounting
  • Celestial Navaigation Reference