Welcome to Defender Canada! 
Harken
Harken Aluminum Mastbase Block - 76 mm (3") - 1990
Item: #2340788 | Part Number: 1990$525.05
Description
The Aluminum Mastbase Block is designed to provide lightweight and efficient halyard lead management at the mastbase. Its low-profile design allows multiple blocks to be grouped in compact rigging layouts. Features: Low-profile design supports compact mastbase installations Lightweight aluminum construction helps reduce rigging weight Suitable for halyard lead applications at...
Harken Aluminum Mastbase Block - 76 mm (3") - 1990 Item # 2340788
Description
The Aluminum Mastbase Block is designed to provide lightweight and efficient halyard lead management at the mastbase. Its low-profile design allows multiple blocks to be grouped in compact rigging layouts.
Features:
- Low-profile design supports compact mastbase installations
- Lightweight aluminum construction helps reduce rigging weight
- Suitable for halyard lead applications at the mastbase
- Can be grouped with additional blocks in confined spaces
Specifications:
- Sheave Diameter: 76 mm (3")
- Dimensions (L x W x H): 97 x 32 x 95 mm (3 13/16" x 1 1/4" x 3 3/4")
- Weight: 326 g (11.5 oz)
- Maximum Line Diameter: 12 mm (1/2")
- Fastener Size: FH 8 mm (5/16")
- Number of Fasteners: 4
- Maximum Working Load: 2273 kg (5000 lbs)
- Breaking Load: 4545 kg (10000 lbs)