Intermediate Modulus Carbon Fiber 42 msi, 825 ksi Great structural properties - Highest strength option - Great balance of stiffness and strength Allows for the "clocking" of your product or assembly Majority "Off-Axis" plies allow for a nicely balanced layup. Majority of products contain ~50% +-45° plies and a blend of 0°'s Easily mount equipment & hardware to the ID or the OD Standard dimensions allow for easy component machining if when needed Radius corners allow for efficient stress transfer plus; Let's just say it, they're just plain good looking