Harken USA shipping and receiving will be closed for physical inventory from 11:00 AM CST, Wednesday, September 28th through Friday, September 30th. Other departments will be available as usual. We will resume shipping and receiving orders on Monday, October 3rd.

product
mouseover to enlarge

100 mm Black Magic

100 mm Aluminum Double Stand-Up Block

Part No. C9873
  Not available on-line. Please contact your Harken dealer.
Sheave Ø (mm)100 mm
Maximum line Ø (mm)16 mm
Maximum line Ø (in)5/8 in
Maximum working load (kg)4990 kg

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.

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
Maximum line Ø (mm)16 mm
Maximum line Ø (in)5/8 in
Maximum working load (kg)4990 kg
Breaking load (kg)9980 kg
  • United States
  • Australia
  • France
  • Italia
  • New Zealand
  • Polska
  • Sverige
  • UK