Calumet Pro Series 1.8' Coiled Off-Camera TTL Flash Cord for Nikon Speedlights These coiled flash cords are ideal for off-camera flash use whether you are holding the flash or using it on a bracket system. The 1.2ft (0.36m) coiled cables extend to 2.8ft (0.84m) while the 1.8ft (.53m) extend to 5ft (1.5m). They allow you to maintain all automatic flash functions for either your Canon or Nikon camera while moving your flash to off camera. Each cable has a hot-shoe mount ar either end for attaching to your camera and your flash. The coiled off-camera TTL flash cords for canon flash systems are compatible with: Nikon SB-900 /SB-800 / SB-600 / SB-80DX / SB-28DX / SB-28 / SB-27 / SB-25 / SB-24 and SB-22