The RADSPEED ONE Length irons are packed with more technology than ever before to deliver more speed, distance, and consistency. Every iron is the same length (37.5"), allowing for one repeatable setup and swing, and less variables for more consistency. Extreme Heel and Toe Weighting features 10g and 3g of mass positioned on the toe and heel extremities to create the best combination of speed, low spin and stability for optimized performance.