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75 mm Aluminum Double Footblock — Lockoff 75 mm Aluminum Double Footblock — Lockoff 75 mm Aluminum Double Footblock — Lockoff
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75 mm Black Magic

75 mm Aluminum Double Footblock — Lockoff

Part No. 3237
$770.15  Not available on-line. Please contact your Harken dealer.
Sheave Ø (mm)75 mm
Sheave Ø (in)2 15/16 in
Maximum line Ø (mm)14 mm
Maximum line Ø (in)9/16 in
Maximum working load (kg)1572 kg
Maximum working load (lb)3465 lb

Use 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.

Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Sheave Ø (mm)75 mm
Sheave Ø (in)2 15/16 in
Length (mm)111 mm
Length (in)4 3/8 in
Height (mm)57 mm
Height (in)2 1/4 in
Weight (g)574 g
Weight (oz)20.24 oz
Maximum line Ø (mm)14 mm
Maximum line Ø (in)9/16 in
Maximum working load (kg)1572 kg
Maximum working load (lb)3465 lb
Breaking load (kg)3143 kg
Breaking load (lb)6930 lb
Number of fasteners
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
Manual: 4546.pdf (open/save)
DWG: 3237.DWG (open/save)
DXF: 3237.DXF (open/save)
IGS: 3237.IGS (open/save)
EPS: 3237.eps (open/save)
High-res JPG: 3237.jpg (open/save)
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