Extendable spiral cable c8 connects compatible phottix products to canon eos 1v 3 1d 1ds 1ds mark ii 1ds mark iii 1d mark ii 1ds mark iii 10d 20d 30d 40d 50d 5d 5d mkii 5d mkiii 6d 7d extendable to 1m durable material strong and wear resistant package includes 1 extra cable for c8