Schaefer Marine 300-35 Stanchion Furling Lead Block with Spring and Ball Bearing Sheave

The Schaefer Marine 300-35 is a spring-loaded furling lead block designed to mount on 1-inch stanchions, providing smooth, low-friction control of furling lines on sailboats. This block features a stainless steel spring mechanism that maintains constant tension and positioning, ensuring the block stays in place during furling operations.

Key Features:

• Delrin ball bearing sheave for ultra-low friction and extended service life
• Stainless steel cage construction for maximum durability in marine environments
• Spring-loaded design keeps block securely positioned on stanchion
• Fits standard 1-inch (25mm) stanchions
• 1-7/16-inch (37mm) sheave diameter accommodates lines up to 7/16-inch (11mm)
• Compact footprint: 4-11/32 inches long × 1-9/16 inches wide

Specifications:

• Safe Working Load: 1,000 lbs (450 kg)
• Weight: 4 oz (113 g)
• Maximum Line Size: 7/16 inch (11mm)
• Stanchion Size: 1 inch (25mm)

Ideal for mounting at the bow pulpit or along lifelines, this furling lead block guides furling lines efficiently from the headstay to the cockpit, reducing friction and making sail handling easier.