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Home: Marine Catalog: Deck Accessories: Blocks and Hardware:

Harken 100 mm Runner Block
Cat. No. HAR 3251
Weight 2 lbs
$700.00

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)157 mm
Length (in)6 3/16 in
Weight (g)481 g
Weight (oz)17 oz
Clevis pin Ø (mm)15.9 mm
Clevis pin Ø (in)5/8 in
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)6802 kg
Breaking load (lb)15000 lb

DWG:3251.DWG (open/save)
DXF:3251.DXF (open/save)
IGS:3251.IGS (open/save)
EPS:3251.eps (open/save)
High-res JPG:3251.jpg (open/save)





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