LG Billet USA Climate Control Knobs for 1999-2006 Chevy/GMC NBS (New Body Style) Pickups with 3 Knob Control Panel. Made from 6061-T6 Billet Aluminum, our billet climate control knobs have been engineered and precision machined to have an OEM-like fitment, an improved appearance, and outlast the factory plastic alternative. Our Climate Control Knob has a pass-through position indicator hole for nighttime illumination. Installs by simply pulling the factory knobs off and pushing on our billet replacements. Sold in sets of 3. Available in Machined Finish and Black Anodized.