Schaefer Series 5 - 51mm Blocks

Schaefer Marine Series 5, 51mm Blocks offer small to medium sized cruising and racing yachts an extremely high strength/weight ratio resulting in a highly refined and reliable block.

Schaefer's versatile universal head design has a three way built in locking feature and accepts Schaefer universal adapters for custom mounting. 

  • Aluminium cheeks and plain bearing sheaves (504 series)
  • Stainless Steel cheeks and plain bearing sheaves (505 series)
  • Aluminium cheeks and delrin™ ball bearing sheaves (506 series).