EcoVantage Marine Catalog


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Harken 100 mm Black Magic® Double Block — Swivel
Cat. No. HAR 3248
Weight 2 lbs
$1,256.60

3010 100 mm Foot Block

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
Spinnakers


Description Single
Sheave dia. (in) 4
Length (in) 5 5/8
Height (in) 1 5/16
Weight (oz) 20.6
Line dia. - max. (in) 5/8
SWL (lb) 7500
Breaking strength (lb) 15000
Fasteners (FH) (in) 4 x 3/8
A (in) 9/16
B (in) 1 1/2
C (in) 3 11/16
D (in) 1 1/8
E (in) 4 1/16
F (in) 5 5/8
G (in) 13/16

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