Schaefer Marine 504-11 Series Cheek Block with Aluminum Cheek and Delrin Sheave Blocks - 5 Single

The Schaefer Marine 504-11 is a Series 5 flat base single cheek block designed for demanding marine rigging applications. This high-performance block features an aluminum cheek plate combined with a durable Delrin™ sheave that ensures smooth operation and consistent performance under load.

Key Features:

• Delrin™ sheave provides low-friction operation and exceptional durability
• Stainless steel flat base distributes loads evenly across mounting surface
• Aluminum cheek construction offers excellent strength-to-weight ratio
• Safe working load of 1,750 lbs (795 kg)
• Accommodates line up to 7/16" (11 mm) diameter
• Four #10 fastener mounting holes with 3" center-to-center spacing

Specifications:

• Sheave Diameter: 2" (51 mm)
• Maximum Line Diameter: 7/16" (11 mm)
• Overall Length: 3-5/8" (92 mm)
• Width: 2-7/32" (57 mm)
• Height: 7/8" (22 mm)
• Fasteners: (4) #10 RH screws (5 mm)
• Mounting Hole Spacing (C/C): 3" (76 mm)
• Safe Working Load: 1,750 lbs (795 kg)
• Weight: 5.9 oz (167 g)

Ideal for sheet leads, control lines, and general deck rigging applications where reliable performance and compact mounting are required.