Schaefer Marine 504-82 Spring Loaded Genoa Lead Block 1-Inch T-Track Slider

The Schaefer Marine 504-82 is a spring-loaded genoa lead block designed for precise sail control on boats up to 27 feet. This high-performance block features a spring-loaded mechanism that allows quick, tool-free adjustments along 1-inch T-track, making sail trimming effortless while under way.

Key Features:

• Delrin™ plain bearing sheave for smooth operation and minimal friction
• Anodized aluminum cheeks for lightweight strength and corrosion resistance
• Stainless steel slider with polyethylene liner for smooth track movement
• Spring-loaded design with pin stop for easy one-handed adjustment
• 2-inch sheave diameter accommodates line up to 7/16 inch
• Safe working load of 1,750 lbs with only 7 oz weight

Technical Specifications:

• Track Size: 1" x 1/8" (25mm x 3mm) T-track
• Maximum Boat Length: 27 feet (8m)
• Maximum Boat Weight: 5,000 lbs (2,270 kg)
• Sail Area Capacity: 315 sq ft (29 m²)
• Sheave Diameter: 2" (51mm)
• Maximum Line Diameter: 7/16" (11mm)
• Dimensions: 3"L x 1-1/4"W x 4-5/32"H
• Bearing Height: 2-7/32" (56mm)
• Safe Working Load: 1,750 lbs (795 kg)

Ideal for genoa sheet control, this block combines the reliability of Schaefer's proven hardware with the convenience of spring-loaded adjustment, making it perfect for cruising sailors who need to adjust lead positions quickly and safely.