This is a Wheel Hub and Nut for the Tower Terror FEATURES: Aluminum construction 19mm hex hub INCLUDES: One Wheel Hub (Part #13) One Wheel Nut (Part #14) SPECS: Wheel Hub Hex Size: 19mm COMMENTS: This part does not include the Output Joint Screw (Part #48) TOWC8421 ajw 1-27-07 ir/jxs