Welcome to Defender Canada! 
Harken Black Magic Aluminum Loop Block - 45 mm (1 3/4") - 3389
$286.13
Harken Black Magic Aluminum Loop Block - 45 mm (1 3/4") - 3389 Item # 1002946
Description
Specifications:
- Sheave Diameter: 45 mm (1 3/4")
- Length: 63 mm (2 1/2")
- Weight: 57 g (2.01 oz)
- Maximum Working Load: 750 kg (1653 lbs)
- Maximum Line Diameter: 10 mm (3/8")
- Breaking Load: 1500 kg (3306 lbs)