The SIM2 MAX driver utilizes carbon fiber material and Twist Face technology to enhance distance and accuracy. TaylorMade SIM2 MAX Driver 9 degrees Head and cover only I was originally using a G430, but after trying this SIM2 MAX, my distance improved dramatically, so I switched. I was using it until recently. I am selling it because I purchased a QI35. The cover shows signs of wear. Please understand that this is a used item before purchasing. - Model: SIM2 MAX - Color: Black/White/Blue - Head Material: Carbon Fiber - Features: Twist Face Technology - Loft Angle: Adjustable Thank you for viewing.