Knob Button Specifications: Type: Replacement Rear Audio Control Knob Material: High Quality ABS Plastic Color: Black and Chrome Size: 23*10mm(Approx.) Fits Rear Radio Feature: According to the original factory specifications Perfect match for the original car. Easy installation. Stable properties, high reliability. Fitment: For 2009-13 Buick Enclave Rear Volume For 2007-11 Cadillac Escalade EXT Rear Volume For 2007-11 Chevy Avalanche Rear Volume For 2008-11 Chevy Silverado 1500 Rear Volume For 2007 Chevy Silverado 1500 New Body Style Rear Volume .
