Genuine Bach heavy bottom cap (silver-plated finish). Each one weighs 17g. You can try various playing sensations, such as when all are attached, only on the 3rd valve, only on the 1st valve, or on the 1st and 3rd valves. Recommended for those seeking a warm and powerful sound. There are some light scratches. The plastic case has scratches and damage. Please check the images. There are no major scratches or dents that would hinder playing. Please refrain from comments asking for a price reduction. Immediate purchase is OK. If you are interested in used mouthpieces or new mouthpieces, please search for "net brass". net-brass.com #Trumpet