Package: 12PCS Cymbal replacement kits includes 4 cymbal stand felts, 2 nuts, 4 washers, 2 cymbal sleeves. Protects Drum: Cymbal felts pads can prevent the collision between cymbals and metal, protects cymbals, also can improve the sound quality and performance of cymbals. Cymbal Sleeves: The sleeves can ensure the positioning height of cymbals so as to complete the setting of drum set. Material: Cymbal stand felts made of high strength felts pp and metal, which is sturdy. Drum Replacement: Drum cymbal stand felts accessories are great for replacing old or damaged kits. Specification: Material: Felts , PP, Metal Size Chart: Cymbal Sleeves: 3.8cmx2.6cm/1.50inchx1.02inch, Inner Dia.: 0.88cm/0.35inch Felts Diameter: 4cmx1.5cmx1cm/1.57inchx0.59inchx0.39inch Washer: 0.8cmx0.2cm/0.31inchx0.08inch Nuts: 4.1cmx1.2cmx0.8cm/1.61inchx0.47inchx0.31inch Package Includes: 4 Cymbal Stand Felts 2 Nuts 4 Washers 2 Cymbal Sleeves