DeMarini makes quality bats and the CF7 Insane model is no exeption. My daughter plays HS and as with all gear, quality gives you the extra edge. It won't give your girl super-powers but if she has her foundation built, is hitting the ball, has chosen the right length & weight, the CF7 will kick it up a notch and give her the extra confidence and tool to crush those hits. 2015 DeMarini CF7 Fastpitch Bat (-11) SKU #: 503149P. More Views. 2015 DeMarini CF7 Fastpitch Bat (-11) SKU #: 503149P. $229.95. Be the first to review this product. The DeMarini CF7 is an extremely lightweight and balanced bat that will provide players at all levels the speed and distance in every swing. Utilizing advanced technology throughout its construction, the CF7 is designed from a lightweight two-piece composite material that creates the ideal weight and balance for the bat from the handle to the tip. The Paradox Carbon Fiber Rod and Carbon Fiber Composite Barrel aid in faster swing speeds without sacrificing power. The BBCOR bats in this collection are made to meet the requirements for both official high school and NCAA play, as well as many recreational leagues. You'll find BBCOR baseball bats made by today's most popular manufacturers. Shop Rawlings baseball gear, DeMarini bats for baseball and softball and much more.