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Sailboat Hardware Harken Big Boat Hardware Big Boat Blocks57 mm BlocksHarken 57mm Double Swivel Block 1952
Sailboat Hardware Harken Big Boat Hardware Big Boat Blocks57 mm BlocksHarken 57mm Double Swivel Block 1952
Category: Sailing HardwareManufacturer: HarkenPart Number: 1952Part Name: 57 mm Double Low-Load Block
- Sheave dia. (mm): 57
- Max. line dia. (in): 7/16
- Max. line dia. (mm): 12
- Description: Double swivel lo-load
- Length (in): 5 3/16
- Length (mm): 132
- Weight w/shackle (oz): 10.1
- Weight w/shackle (g): 286
- Shackle pin dia. (in): 5/16
- Shackle pin dia. (mm): 8
- Max. working load (lb): 2755
- Max. working load (kg): 1250
- Breaking load (lb): 5510
- Breaking load (kg): 2500
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