Description
HARKEN Block-45mm Double – Block Magic – 3393
HARKEN Block-45mm Double – Block Magic – 3393 is Harken sailing hardware engineered for reliable marine use in the application indicated by its model and configuration.
- Genuine Harken marine hardware.
- Model-specific geometry and configuration.
- Designed for repeatable use in sailing control or rigging systems.
- Select and install according to the matching Harken system requirements.
- Part number provides the definitive compatibility reference.
Harken Blk-45mm Double – Bl Magic – 3393 Sheave Ø (mm) 45 mm Sheave Ø (in) 1 3/4 in Length (mm) 106 mm Length (in) 4 3/16 in Weight (g) 195 g Weight (oz) 6.88 oz Shackle pin Ø (mm) 6 mm Shackle pin Ø (in) 1/4 in Maximum line Ø (mm) 10 mm Maximum line Ø (in) 3/8 in Maximum working load (kg) 1100 kg Maximum working load (lb) 2425 lb Breaking load (kg) 2200 kg Breaking load (lb) 4850 lb
For best results, confirm the Harken part number and system compatibility before installation, and operate the hardware within Harken’s published line-size and load limits.
Specifications
- Manufacturer: Harken
- Part Number: 3393
- Nominal Size: 45 mm
- Configuration: Double
- Sheave Ø (mm): 45 mm
- Sheave Ø (in): 1 3/4 in
- Length (mm): 106 mm
- Length (in): 4 3/16 in
- Weight (g): 195 g
- Weight (oz): 6.88 oz
- Shackle pin Ø (mm): 6 mm
- Shackle pin Ø (in): 1/4 in
- Maximum line Ø (mm): 10 mm
- Maximum line Ø (in): 3/8 in
- Maximum working load (kg): 1100 kg
- Maximum working load (lb): 2425 lb
- Breaking load (kg): 2200 kg
- Breaking load (lb): 4850 lb

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