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These low-profile mastbase halyard lead blocks are engineered for efficiency and space-saving. They are exceptionally lightweight, allowing multiple blocks to be grouped within a compact area at the mastbase. This design facilitates organized halyard routing without adding unnecessary weight aloft.
Low Profile: The compact design allows for easy grouping in a small area at the mastbase.
Lightweight Construction: These blocks are designed to minimize weight while maintaining durability.
Specifications
• Brand: Harken
• Reference: 1988
• Sheave Ø: 57 mm
• Length: 81 mm
• Width: 35 mm
• Weight: 175 g
• Maximum line Ø: 10 mm
• Fasteners: 6 FH mm
• Maximum working load: 1136 kg
• Breaking load: 2273 kg
• Height: 73 mm
• Number of fasteners: 3






