The Bach 1877 Trumpet Repair and Maintenance Kit is a reliable option to keep your Stradivarius Trumpet in top playing condition. This kit includes a mouthpiece brush, valve oil, slide grease, snake, three-valve springs and guides, three stem and cap felts, one water key cork and spring, one-stop rod screw, two 3rd-slide nuts, cleaning rod, and lacquer/silver polishing cloths.