Features: Adopting premium materials, aluminum for body, galvanized steel for the hand lever, black-plated steel for the base, which makes it sturdy and solid enough for a long term use. For the simple and adjustable design, it is suitable for most of brass instruments, such as trumpet, trombone, euphonium, etc. Also simple and easy to use whether you are a old hand or not. With it, corresponding problems about your brass instruments can be solved, and much time, effort and expense also can be saved. With several different colors for you to select in order to fit your needs. Specification: Material: Aluminum+Galvanized steel Color: Blue, Red, Gold, Silver(Optional) Size: Approx. 12x10x3.5cm/4.72x3.93x1.37inch Suit For: All brass instruments, such as trumpet, trombone, euphonium, etc. Weight: Approx. 288-303g Packing List: 1 x Mouthpiece Puller 1、Adopting premium materials, aluminum for body, galvanized steel for the hand lever, black-plated steel for the base, which makes it sturdy and solid enough for a long term use. 2、For the simple and adjustable design, it is suitable for most of brass instruments. 3、Also simple and easy to use whether you are a old hand or not. 4、With it, corresponding problems about your brass instruments can be solved, and much time, effort and expense also can be saved. 5、With several different colors for you to select in order to fit your needs.