- 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.