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57mm Aluminum Air Runner Block Clearance

57mm Aluminum Air Runner Block

40% Off


Original $164.99 Price Details

Model # 4732947 | Mfg # 3039
Limited availability.
  • Black Magic® Air Runners® are strong, lightweight blocks with extremely free-rolling sheaves. Blocks feature Torlon® roller bearings in a center cage for strength. Sideload bearing strips dampen rig vibration
  • Integrated sideplate bails and recessed cotter key help produce a smooth design that won't snag lifelines
  • 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
  • Heads are offered with parallel/perpendicular shackles
  • Tangs attach turnbuckles, toggles and other fittings
  • No tools required for installation
  • Foam padded block socks easily install over Air Runners® to protect your blocks, deck and crew
  • 3/8" clevis pin
  • Maximum line: 1/2" 
  • Breaking strength: 5000 lb. 
  • Length: 3-3/8"
  • Load capacity: 2500 lb.
  • Weight: 4 oz.

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