Features: Sturdy felts help prevent the collision between the cymbal and the metal, protect the cymbal well, and can improve the sound quality and performances of the cymbal. Protect your cymbals from hardware noise, friction, and wear with felts, ensuring long terms cymbal life and improved sound clarity. Wing nuts and washers are made of metal, which can make the cymbals and felt pads firmer, ensure you'll never miss a beat from Rotating cymbal problems. Keep your cymbals safely in place with cymbal sleeves that prevent metal to metal contact, preserving the integrity of your stands and cymbals. Great for quickly and easily removing and replacing drumheads, best replacement for your old drum accessory kits. Specifications: Materials: Felt, Plastic, Metal Color: Redness/Blue/Black Felt size: about 40x14mm/1.57x0.55inch Felt pad size: about 38x27mm/1.5x1.06inch Package Includes: 13PCS Cymbal Replacement Accessories note: Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color of the item.