Cobra King RADSPEED XD Left Handed Womens Ladies Flex DriverThe RADSPEED XD (XTREME Draw) Womens Driver features a slightly oversized profile at address (460cc) and 10 grams of heel biased internal RADIAL WEIGHTING to deliver the fastest and straightest ball flight with maximum slice fighting power. RADICAL ENGINEERING. By increasing the distance between the front and back weights, we are able to create faster ball speed while maintaining forgiveness. A perfect balance of front and back RADIAL WEIGHTING