57 mm Carbo Fiddle Block - Swivel, Becket

Carbo fiddle blocks have black nylon bodies reinforced with long strand glass for exceptional strength and light weight. They feature high-load ball bearings with rounded races for high contact, low friction operation.
• Shackles on 57 mm blocks can be locked at 90° intervals using the Cam-Lock locking system, or left to swivel freely
• Cam arm assemblies can be adjusted in a wide range of positions
• Open design makes for easy maintenance