Ronstan Series 100 Core Foot Block - RF104151

The Series 100 Core Block Foot is a single sheave foot block designed for high load applications. It features durable aluminum alloy cheeks and supports fasteners up to 12 mm (7/16"). This block is engineered for performance cruising and racing with a sleek, functional design.

Features:

• Incorporates ball bearings that reduce side thrust friction for smoother operation under varying line angles
• Constructed with anodized aluminum alloy cheeks to provide strength while minimizing overall weight
• Includes a central hub that functions as a becket take-off or secure tie-up point for versatile rigging options
• Designed with a full contact acetal bearing to maintain low friction and high durability under heavy loads
• Offers 360 deg. rotation with a brass bearing washer and lockable head for precise positioning during use
• Optimized cut-away design allows easy rinsing to prevent salt and debris buildup in bearings
• Compatible with 12 mm (7/16") fasteners, ensuring secure and stable mounting in various setups

Specifications:

• Sheave Diameter: 100 mm (4")
• Breaking Load: 7,500 kg (16500 lbs)
• Maximum Working Load: 3,250 kg (7150 lbs)
• Max Rope Diameter: 18 mm (3/4")
• Weight: 700 g (24.7 oz)