Harken 75 mm Black MagicŪ Single w/Lockoff footblock Cat. No. HAR 3236 Weight 1 lbs
$435.00
3236 75 mm Foot Block w/Lockoff
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/lockoff*
Sheave
dia. (in)
3
Length
(in)
4 3/8
Height
(in)
1 1/4
Weight
(oz)
11.7
Line
dia. - max. (in)
9/16
SWL
(lb)
5250
Breaking
strength (lb)
10500
Fasteners
(FH) (in)
4 x 5/16
A (in)
1/2
B (in)
1 1/8
C (in)
2 13/16
D (in)
7/8
E (in)
3 1/16
F (in)
4 3/8
G (in)
3/4
*Lockoffs are intended to hold
lines temporarily and should not be used in place of line stoppers or
clutches
