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Harken Black Magic Blocks
Choose Harken Black Magic for the Ultimate in block performance. The Centre cage keeps Torlon roller bearings separated and parallel to reduce friction. Dirt and salt falls between rollers whilst the captive delrin balls carry sideloads.
Side plates are milled from 6061-t6 Aluminium and using CNC sculpting to remove excess weight. Thin Profile, deep groove aluminium sheaves have radiused edges to protect high tech line.
Sheaves and sideplates are deep-saturation hardkote-anodized for strength and durability in addition to being UV stabilised with black additive for maximum protection. Finally the blocsks are teflon impregnated for a smooth slippery surface.

Harken 57mm Black Magic Blocks
Use 57mm Black magic AirBlocks on offshore boats....
From: £123.39View Product

Harken 75mm Black Magic Blocks
Use 75mm Black Magic for sheets, halyards, running backstays and control lines....
From: £262.42View Product


Harken Black Magic Tear Drop Blocks
Tear Drop blocks are ideal for use as mast base leads....
From: £131.49View Product
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If you have any questions or need help with your purchase, please call us on:
01297 20744 or email sales@jimmygreen.co.uk
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