HARKEN 57MM DOUBLE HI LOAD FOOT BLOCK
Use Black Magic footblocks to redirect lines on the deck.
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)
57 mm
Sheave Ø (in)
2 1/4 in
Length (mm)
84 mm
Length (in)
3 5/16 in
Height (mm)
46 mm
Height (in)
1 13/16 in
Weight (g)
215 g
Weight (oz)
7.6 oz
Maximum line Ø (mm)
12 mm
Maximum line Ø (in)
7/16 in
Maximum working load (kg)
750 kg
Maximum working load (lb)
1650 lb
Breaking load (kg)
1500 kg
Breaking load (lb)
3300 lb
Number of fasteners
4
Fasteners (mm)
6 FH mm
Fasteners (in)
1/4 FH in
A (mm)
9.5 mm
A (in)
3/8 in
B (mm)
22.5 mm
B (in)
29/32 in
C (mm)
51.5 mm
C (in)
2 1/32 in
D (mm)
16 mm
D (in)
5/8 in
E (mm)
59 mm
E (in)
2 5/16 in
F (mm)
84 mm
F (in)
3 5/16 in
G (mm)
13 mm
G (in)
1/2 in