The MOMO Combat Evo Airmetal is a super-comfortable leather base with a unique accent cap similar to some factory Porsche shift knobs. . MOMO shift knobs are precision crafted in Italy using only the finest materials. Each MOMO knob is engineered and tested to provide a comfortable grip for any size hand. Installation is easy, Simply remove your old shift knob and install your new MOMO knob, using the included set of hardware.