LG Billet USA Climate Control Knobs for 1995-1999 Chevy/GMC OBS (Old Body Style) Pickups. 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. 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.