The Chrome Air Valve Lever & 4" Chrome Stand Set is a practical and reliable accessory for your train horn GG69991. This set includes an air valve lever and a 4" floor mount stand, both chrome plated for durability and a sleek appearance. Sold as a set, this product is specially designed to enhance the functionality of your train horn. With its high-quality construction and easy installation, this chrome set is a must-have for any train horn enthusiast.