Description Features: What’s in the Package: Includes 2 stand tube felts (outer diameter 50mm), 6 cymbal felts (outer diameter 40mm ), 4pcs clutch felts (40mm outer diameter) (please note that all felts will have the same inner diameter: 10mm), 3pcs fender nuts (8mm inner diameter), 3pcs washers (8mm inner diameter) , 3pcs cymbal sleeves, 1pcs Z-shaped drum key, 1pcs T-shaped drum key. Please refer to the picture for detailed dimensions, and make sure this is the size you want before purchase. Premium Felts: Sturdy felts help prevent collision between the cymbal and the metal, protect the cymbal well and can improve the sound quality and performance of the cymbal. Comes with wing nuts and washers: the nuts and washers can make the cymbals and firmer felt pads, make sure you never miss a beat from spinning cymbal problems. Smooth Fit Sleeves: These sleeves can ensure cymbal positioning height, which completes the drum set and provides good performance. Metal Drum Keys: Drum keys are