This 20" Tender Kit with 3/8" MAXXClamp is designed for use in hanging air and electrical lines. It contains a carabiner, 20" spring, sleeve, and 3/8" MAXXClamp, making it a practical and versatile solution for most makes and models. Sold individually, this kit is easy to install and provides a secure and reliable connection for your hanging lines. Its compact size and lightweight design make it a convenient addition to any toolbox. Upgrade your hanging lines with this reliable and durable Tender Kit.