Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.This repair kit is suitable for three-tone Bb trumpet/cornet/Bb pocket trumpet.4.This is a great upgrade replacement for your trumpet and made of which is sturdy and durable to use.5.This kit includes trumpet drain valve key,trumpet spit valve cork Pad,and trumpet drain valve spring etc, easy to replace and perfect suitable for the daily repair of wind instrument. Specifications:Material:Copper & Metal & PlasticColor:MulticolorWeight:116 g Package include:1 x Small Trumpet Drain Valve Key1 x Large Trumpet Drain Valve Key2 x Trumpet Spit Valve Cork Pad2 x Trumpet Drain Valve Springs3 x Trumpet Piston Springs3 x Trumpet Valve Guides1 x Trumpet Valve Slide Finger Ring1 x Trumpet Valve Slide Screw1 x Trumpet Tuning Fixing Screw2 x Screw3 x Trumpet Connecting Rods3 x Trumpet Finger Buttons3 x Trumpet Top Valve Caps3 x Trumpet Bottom Valve Caps