Features:3.Perfect Suitable for daily maintenance and repair of B-flat trumpet,cornet and B-flat palm4.This is a great upgrade alternative for your trumpet and made of high quality which is sturdy and to use.5.This kit includes trumpet drain valve key,trumpet spit valve cork Pad,trumpet drain valve spring and trumpet valve springs etc, easy to replace and perfect suitable for the daily repair of wind instrument.Specifications:Material:Copper+Metal+PlasticColor:MulticolorBrand name: BQLZRWeight:41gSize:S Trumpet Drain Valve Key:26.7x9.9x10MM/1.05x0.38x0.39inch(L x W x H)L Trumpet Drain Valve Key:47.8x10x10MM/1.88x 0.39x0.39inch(L x W x H)Trumpet Cork Pad:3x8.9MM/0.11x0.35inch(H x Dia)Trumpet Drain Valve Spring:16.8x8.4x15.5MM/0.66x0.33x0.61inch(L x W x H)Trumpet Valve Springs:46x8.8MM/1.8x0.35inch(L x Dia)Trumpet Valve Guide:18x11x4.5MM/0.7x0.4x0.17inch(L x W x Inner Dia)Trumpet Valve Slide:80x25MM/3.14x0.98inch(L x H)Trumpet Valve Slide Screw:8x9.9MM/0.31x0.39inch(L x Dia)Tuning Screw:24x7.9MM/0.94x0.31inch(L x Dia)Scew:13MM/0.51(L)Package include:1 x Small Trumpet Drain Valve Key1 x Large Trumpet Drain Valve Key2 x Trumpet Spit Valve Cork Pad3 x Trumpet Drain Valve Spring3 x Trumpet Valve Springs3 x Trumpet Valve Guide1 x Trumpet Valve Slide1 x Trumpet Valve Slide Screw1 x Tuning Screw2 x Screw