Product Details: （23 Pieces) 3 x cymbal sleeves with base (8 - 10 mm), 6 x cymbal felts (8 - 10 mm), 4 x hi-hat clutch felt (6 - 8 mm), 2 x hi hat cup felt (6 - 8 mm), 3 x wing nuts (8 mm), 3 x washers (8 mm), 1 x standard drum key, 1 x continuous motion speed drum key. | High-quality felt pad, sturdy and durable, prevents collision between the cymbal and metal, protects the cymbal well, and improves the sound quality and performance of the cymbal. | QUALITY FELTS - All pieces are made of quality fibre-optic felt which are designed to last longer and provide better protection for your cymbals,Smooth fitting sleeves: Set your cymbals in perfect positioned at the optimum height, which will help you control the setting of your drum set and delivering in good performance. | Essential drumming emergency kit with replacement cymbal and hi-hat felts, combined with full set of new cymbal stand wing bolts and sleeves, suitable for boom stands, cymbal stackers or heavy duty cymbal stands. | Wing bolts and washers: they can help to secure your cymbal and felt together tightly, making sure you'll never miss a beat (or cymbal) because of cymbal rotation problems.