Premium Felts: Sturdy felts help prevent the collision between the cymbal and the metal, protect the cymbal well, and can improve the sound quality and performance of the cymbal. Come with Wing Nuts & Washers: Nuts and washers can make the cymbals and felt pads , you'll never miss a beat from cymbal problems. Smooth Fit Sleeves: These sleeves can the positioning height of the cymbal, which completes the drum set and provide good performance. Metal Drum Keys: Drum keys are ideal for quickly and easily removing and replacing drumheads. Color: As Shown Material: Fores+Plastic+Metal Package Contents: 18PCS * Cymbal Replacement Accessories Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.