Schaefer Marine 704-05 Single 7 Series Block 60mm Aluminum Cheeks Delrin Sheave

The Schaefer Marine 704-05 is a single aluminum block from the 7 Series line, designed for reliable performance in demanding marine applications. Featuring aluminum cheeks for lightweight strength and a 60mm Delrin plain bearing sheave, this block delivers smooth operation and exceptional durability. The Delrin sheave material ensures reduced friction and long service life, while the swivel head design can be locked in place to prevent line twist during use.

Key Features:

• 60mm (2 3/8") Delrin plain bearing sheave for smooth, low-friction operation
• Aluminum cheeks provide strength while minimizing weight
• Swivel head with locking capability to eliminate line twisting
• Safe working load of 2,250 lbs (1,020 kg)
• Accommodates line up to 1/2" (13mm) diameter
• Compact and lightweight at just 7.4 oz (210g)

Specifications:

• Sheave Diameter: 2 3/8" (60mm)
• Block Thickness: 1 3/32" (28mm)
• Block Width: 2 1/2" (64mm)
• Block Length: 5 1/32" (128mm)
• Maximum Line Size: 1/2" (13mm)
• Safe Working Load: 2,250 lbs (1,020 kg)
• Weight: 7.4 oz (210g)

Ideal for halyards, control lines, and other applications where a reliable single block is needed, the Schaefer 704-05 combines quality construction with practical functionality for sailboat rigging systems.