Curt Custom Fit Class IV Receiver Hitch - Fits 2001-2007 Chevrolet/GMC Sierra 2500HD Classic Body with 6Ft. Bed, Model# 14108 Precision, robotic welding maximizes strength and improves fit Bolt-on installation - no welding required Includes complete hardware kit and specific vehicle installation instructions Gloss black powder-coat finish is baked on over steel to resist corrosion Sturdy tube design with 2in. x 2in. receiver opening