These Kenworth Early Model A/C Slider Control Knobs are a practical and essential accessory for most early model Kenworth trucks. Made of durable chrome plastic, these control knobs are designed to fit perfectly and provide easy adjustment of your truck's air conditioning system. Sold individually, these knobs offer a reliable and cost-effective solution for maintaining optimal comfort and climate control while on the road. Upgrade your truck's interior with these high-quality control knobs that combine functionality and style seamlessly.