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Harken 57mm Black Magic Blocks

Harken

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.

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Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface.

Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

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57 mm Black Magic (Imperial)
Code Part No. Description Sheave Dia.
 (in)
Length
(in)
Height (in) Weight
(oz)
Shackle pin Dia.
(in)
Clevis pin Dia.
(in)
Max Line Dia.
(in)
Maximum Working Load
(lb)
Breaking Load
(lb)
Use padeye Fasteners (FH) in
HAR3226 3226 Low-load single swivel 2 1/4 4 11/16   5.44 1/4   7/16 1655 3310    
HAR3229 3229 Single/low-load/becket swivel 2 1/4 5 1/2   5.95 1/4   7/16 1655 3310    
HAR3228 3228 Double/low-load swivel 2 1/4 5 3/16   12.05 5/16   7/16 2755 5510    
HAR3219 3219 Triple swivel 2 1/4 5 3/16   13.34 5/16   7/16 4850 9700    
HAR3215 3215 Single swivel 2 1/4 4 11/16   5.36 1/4   7/16 2500 5000    
HAR3216 3216 Single/becket swivel 2 1/4 5 1/2   5.86 1/4   7/16 2500 5000    
HAR3217 3217 Double swivel 2 1/4 5 3/16   11.86 5/16   7/16 3600 7200    
HAR3218 3218 Double/becket swivel 2 1/4 6   12.43 5/16   7/16 3600 7200    
HAR3227 3227 Stand-up* 2 1/4 4 1/2   7.04 1/4   7/16 2500 5000    
HAR3214 3214 Single loop** 2 1/4 3   3.23     7/16 2500 5000    
HAR3221 3221 Single/high-load/lockoff*** 2 1/4 3 5/16 1 5.44     7/16 2500 5000   4 x 1/4
HAR3220 3220 Single/high-load 2 1/4 3 5/16 1 4.29     7/16 2500 5000   4 x 1/4
HAR3222 3222 Double/high-load 2 1/4 3 5/16 1 13/16 7.6     7/16 1650 3300   4 x 1/4
HAR3223 3223 Padeye/high-load 2 1/4 3 3/8   3.92   5/16 3/8 2500 5000 627  
HAR3224 3224 Single 2 1/4 3 3/8   4.42   3/8 1/2 2500 5000    
*Includes padeye. 6 mm (1/4") fastener circle: 37 mm (1 15/32"). **Loop not included. See page 87. ****Lockoffs are intended to hold lines temporarily and should not be used in place of lines stoppers or clutches.
57 mm Black Magic (Metric)
Code Part No. Description Sheave Dia.
(mm)
Length
(mm)
Height (mm) Weight
(g)
Shackle pin Dia.
(mm)
Clevis pin Dia.
(mm)
Max Line Dia.
(mm)
Maximum Working Load
(kg)
Breaking Load
(kg)
Use padeye Fateners (FH) mm
HAR3226 3226 Low-load single swivel 57 119   154 6   12 750 1500    
HAR3229 3229 Single/low-load/becket swivel 57 140   169 6   12 750 1500    
HAR3228 3228 Double/low-load swivel 57 132   342 8   12 1250 2500    
HAR3219 3219 Triple swivel 57 132   378 8   12 2200 4400    
HAR3215 3215 Single swivel 57 119   152 6   12 1134 2268    
HAR3216 3216 Single/becket swivel 57 140   166 6   12 1134 2268    
HAR3217 3217 Double swivel 57 132   336 8   12 1633 3267    
HAR3218 3218 Double/becket swivel 57 152   352 8   12 1633 3267    
HAR3227 3227 Stand-up* 57 114   200 6   12 1134 2268    
HAR3214 3214 Single loop** 57 76   92     12 1134 2268    
HAR3221 3221 Single/high-load/lockoff*** 57 84 25 154     12 1134 2268   4 x 6
HAR3220 3220 Single/high-load 57 84 25 122     12 1134 2268   4 x 6
HAR3222 3222 Double/high-load 57 84 46 215     12 750 1500   4 x 6
HAR3223 3223 Padeye/high-load 57 86   111   8 10 1134 2268 627  
HAR3224 3224 Single 57 86   125 10 12 1134 2268    
*Includes padeye. 6 mm (1/4") fastener circle: 37 mm (1 15/32"). **Loop not included. See page 87. ****Lockoffs are intended to hold lines temporarily and should not be used in place of lines stoppers or clutches.

Harken 57mm Black Magic Blocks

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