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Sailboat Hardware Harken Big Boat Hardware Big Boat Blocks57 mm BlocksHarken 57mm Triple Swivel Block 1954
Sailboat Hardware Harken Big Boat Hardware Big Boat Blocks57 mm BlocksHarken 57mm Triple Swivel Block 1954
Category: Sailing HardwareManufacturer: HarkenPart Number: 1954Part Name: 57 mm Triple Swivel Block
- Sheave dia. (mm): 57
- Max. line dia. (in): 7/16
- Max. line dia. (mm): 12
- Description: Triple/swivel
- Length (in): 5 3/16
- Length (mm): 132
- Weight w/shackle (oz): 13.2
- Weight w/shackle (g): 375
- Shackle pin dia. (in): 5/16
- Shackle pin dia. (mm): 8
- Max. working load (lb): 4850
- Max. working load (kg): 2200
- Breaking load (lb): 9700
- Breaking load (kg): 4400
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