![Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226]](http://seamanmarine.com/cdn/shop/products/93959XL.jpg?v=1648506167 "Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226]")
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57mm Aluminum Low Load Black Magic Block with Swivel
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. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep the line from twisting. Low-load blocks have red isolators. They use Torlon® rollers and 316 stainless steel shackles. Standard blocks have 17-4 PH stainless head posts. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Specifications:
- Sheave: 57mm/2-1/4in
- Length: 119mm/4-11/16in
- Weight: 154g/5.44oz
- Shackle Pin: 6mm/1/4in
- Maximum Line: 12mm / 7/16in
- Maximum Working Load: 7/16kg / 1655lbs
- Breaking Load: 1500kg / 3300lb
Thank you for choosing Seaman Marine!
FITMENT:
If you are unsure of your Part Number before ordering, please CONTACT US before placing your order and we will happily assist you!
AVAILABILITY:
Most of the parts we sell are always in stock. In the rare event that the item is not in stock, or on backorder we will issue you a full refund.
SHIPPING:
SHIPPING CHARGES ARE ADDED AT CHECKOUT.
FOR EXPEDITED SHIPPING OPTIONS, INTERNATIONAL SHIPPING, OR SHIPPING TO ALASKA OR HAWAII, PLEASE CONTACT US.
*IF YOU ARE LOCAL TO OUR WAREHOUSE IN MOBILE, ALABAMA, PICKUP IS AVAILABLE BY APPOINTMENT ONLY!*
WARRANTY:
IF YOU ARE PURCHASING A POWERHEAD, LOWER UNIT, OR ANOTHER COMPLETE UNIT THAT STATES IT COMES WITH A WARRANTY, PLEASE VISIT OUR WARRANTY PAGE FOR ALL INFORMATION.
See our Policy Page for all information.
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