Specifications: 2 Pcs rear audio radio control knob for 2007 - 2013 Chevrolet GMC Cadillac Buick. Designed as a direct replacement for your lost or broken knobs.(Reference numbers: 22912547 or GM 22912547) Please note these are for the rear audio controls on the back of the center console, these are not the larger knobs for the radio in the dash. Black textured grip, chrome ring on knob face to match the original stock look and restore the interior of your vehicle. Designed Specifically to Fit: For 2007 - 2013 Chevrolet Suburban 1500 For 2007 - 2014 Chevrolet Suburban 2500 For 2007 - 2011 Chevrolet Silverado 1500 For 2007 - 2011 Chevrolet 2500 HD For 2007 - 2011 Chevrolet 3500 HD For 2007 - 2009 Chevrolet Tahoe For 2009 - 2013 Chevrolet Traverse For 2007 - 2013 GMC Sierra 1500 For 2007 - 2014 GMC Sierra 2500 HD For 2007 - 2014 GMC Sierra 3500 HD For 2007 - 2014 GMC Yukon For 2007 - 2014 GMC Yukon XL For 2007 - 2011 Cadillac Escalade For 2009 - 2013 Buick Enclave For 2009 - 2013 GMC Acadia Type: Rear Audio Control Knob Material: Plastic Quantity: 2 Pcs Color: Black Features: Replacement Part, Modern Appearance, Easy to Install Diameter(Top x Bottom): 2.2cm/0.87, 2.7cm/1.06 (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Rear Audio Control Knobs