Pro Hitch + Wire Chevy Cobalt Sport Cobalt SS HHR HHR SS G5 GT 51164 118407 Hitch Type : Class I Receiver Tube Size : 1-1/4" Square Opening Is Drilling Required For Installation? : Some Minor Drilling Might Be Required Depending on the Model Tongue & Tow Capacity : 200 Lbs./ 2,000 Lbs. Kit Includes : Hitch, Trailer Wiring and Installation Hardware