HARKEN 75MM BLACK MAGIC LOCKOFF FOOTBLOCK
Use Black Magic footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.
Sheave Ø (mm)
75 mm
Sheave Ø (in)
2 15/16 in
Length (mm)
111 mm
Length (in)
4 3/8 in
Height (mm)
32 mm
Height (in)
1 1/4 in
Weight (g)
320 g
Weight (oz)
11.28 oz
Maximum line Ø (mm)
14 mm
Maximum line Ø (in)
9/16 in
Maximum working load (kg)
2380 kg
Maximum working load (lb)
5250 lb
Breaking load (kg)
4762 kg
Breaking load (lb)
10500 lb
Number of fasteners
4
Fasteners (mm)
8 FH mm
Fasteners (in)
5/16 FH in
A (mm)
11.5 mm
A (in)
15/32 in
B (mm)
28.5 mm
B (in)
1 1/8 in
C (mm)
70.5 mm
C (in)
2 3/4 in
D (mm)
21 mm
D (in)
13/16 in
E (mm)
76 mm
E (in)
3 in
F (mm)
110 mm
F (in)
4 5/16 in
G (mm)
17 mm
G (in)
21/32 in