Schaefer Marine

Schaefer 5 Series Blocks

Schaefer's 5 series blocks offer small to medium sized racing and cruising yachts an extremely high strength/weight ratio and oversized sheet capacity.

  • Available in Anodized Aluminum or Stainless Steel Cheek design.

  • Available with UV protected Delrin or Delrin Ball Bearing sheaves.

  • Versatile head design features three way, built in locking feature and accepts multiple "universal" adapters for custom mounting.

  • SWL - Stain/Alum 1750 lbs, Ball Bearing 1500 lbs.

  • Sheave diameter - 2"

  • Maximum line diameter - 1/2"

  • Pin diameter - 1/4"