1、Drum Felt Pads: By preventing colliding with metal, the felt pad can protect the cymbal and improve the sound quality. 2、Simpler Fixing: T slot nuts and washers in the set ensure firmer fixing between cymbal and felt pad, very reliable. 3、21Pcs in Total: There are 21psc accessory in all, including felt pad in various sizes, casing, washer, nut and so on. 4、Great Material: Combining good felt and metal materials, very sturdy and has good durability for long term using. 5、Easy to Install: The sleeves can ensure the positioning height of the cymbal, which largely simplifies installation. 4 x φ2.5 Felt Pad6 x φ4 Felt Pad2 x φ5 Felt Pad3 x T Slot Nut3 x Washer3 x Sleeves Item Type: Drum Cymbal Felt PadMaterial: Felt + MetalSleeves Size: Approx. Φ 3.8 x 2.6cm / 1.5 x 1.02inSleeves Inner Diameter: Approx. 8.8mm / 0.35inΦ 2.5 Felt Pad Size: Approx. Φ 2.5 x 1.5cm / 0.98 x 0.59inΦ4 Felt Pad Size: Approx. Φ 4.0 x 1.5cm / 1.57 x 0.59inΦ5 Felt Pad Size: Approx. Φ 5.0 x 1.5 / 1.97 x 0.59inT Slot Nut Size: Approx. Φ 3.9 x 2cm / 1.54 x 0.79inT Slot Nut Inner Diameter: Approx. 7.3mm / 0.29inWasher Size: Approx. Φ 2.2cm / 0.87inWasher Height: Approx. 0.2cm / 0.08inWasher Inner Diameter: Approx. 8mm / 0.31in