Cobra Golf T-Rail 3 Men’s Single 4 Iron Utralite Graphite Senior Left Hand. Cobra T-Rail 3 Single Hybrid Iron. A hollow, hybrid-like construction in every club gives you the highest launch and longest distances possible. T Face delivers more efficient speed and spin, creating a larger sweet spot for better launch and consistency with each strike. Baffler Rails allow the club to glide effortlessly through the turf for more consistent contact.