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| Home: Marine Catalog: Deck Accessories: Blocks and Hardware:
Harken 100 mm Black Magic Aluminum Footblock
Cat. No. HAR 3249
Weight 2 lbs | $515.00 |
Black
Magic Air blocks are a top favorite of Big Boat performance racers and
cruisers. These lightweight, free-running, powerful performers are used
for sail controls that see lots of action: mainsheet, runner, halyard,
and spinnaker systems.
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)100 mm
Sheave Ø (in)3 15/16 in
Length (mm)143 mm
Length (in)5 5/8 in
Height (mm)33 mm
Height (in)1 5/16 in
Weight (g)555 g
Weight (oz)19.57 oz
Maximum line Ø (mm)16 mm
Maximum line Ø (in)5/8 in
Maximum working load (kg)3402 kg
Maximum working load (lb)7500 lb
Breaking load (kg)6803 kg
Breaking load (lb)15000 lb
Number of fasteners 4
Fasteners (mm)10 FH mm
Fasteners (in)3/8 FH in
A (mm)14.5 mm
A (in)9/16 in
B (mm)37.5 mm
B (in)1 15/32 in
C (mm)92.5 mm
C (in)3 21/32 in
D (mm)28 mm
D (in)1 1/32 in
E (mm)100 mm
E (in)3 15/16 in
F (mm)143 mm
F (in)5 5/8 in
G (mm)23 mm
G (in)29/32 in
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