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HarkenHarken 57 mm Double High-Load Footblock w/ Lockoff
Product Description

Black Magic® footblocks carry some of the highest loads imposed by running rigging. The Torlon® rollers on these lightweight, free-running blocks are housed in a center cage, with no contact between bearings. UV-resistant, carbon-black Delrin® balls handle sideloads.

Either metric or imperial flathead fasteners may be used for mounting and are not exposed.

Use for:

Genoas and Spinnakers.

Part Number: 1968

Imperial Metric
Sheave Dia. 2 1/4" 57 mm
Length 3 5/16" 84 mm
Height 1 13/16" 46 mm
Weight 9.6 oz 272 gr
Max Line Dia. 7/16" 12 mm
Maximum Working Load 1650 lbs 750 kg
Breaking Load 3300 lbs 1500 kg
FH Fasteners 4 x 1/4 4 x 6 mm


Harken Blocks
A 9/32" 7 mm
B 7/8" 23 mm
C 2 1/32" 52 mm
D 5/8" 16 mm
E 2 9/32" 58 mm
F 3 5/16" 84 mm
G 15/32" 12 mm

Lockoffs are intended to hold lines temporarily and should not be used in place of line stoppers or clutches.
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    Code: HAR1968
    Black Friday Price: $289.60
    Original Price:$393.50
    (You Save: $103.90)


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