5 Series blocks offer small to medium sized cruising and racing yachts an extremely high strength/weight ratio resulting in a highly refined and reliable block. Our versatile universal head design has a three way built in locking feature and accepts Schaefer "universal" adapters for custom mounting.
Aluminum cheeks and plain bearing sheaves. Delrinâ„¢ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area.