The Cornwell Jiffy-tite Disconnect Set SNY-JT4KIT is a high-quality hand tool set manufactured by Mac Tools in the United States. It includes interchange part numbers from Summit Racing and a manufacturer part number of L22990. This set does not come with a warranty, but it is sold by Summit Racing Equipment, ensuring reliability and durability for automotive use. Perfect for disconnecting and reconnecting lines in various automotive applications, this set is a valuable addition to any mechanic’s toolbox.