Product description

57 mm Aluminum Mastcollar ESP Block

Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.

Specifications:

• Sheave: 57 mm | 2 1/4 in
• Length: 93.5 mm | 3 11/16 in
• Weight: 122 g | 4.3 oz
• Clevis pin: 8 mm | 5/16 in
• Maximum line: 16 mm | 5/8 in
• Maximum working load: 850 kg | 2100 lb
• Breaking load: 1900 kg | 4190 lb