Upgrade your ceiling fan maintenance with Hxszk 20PCS Black Upgrade Rubber Grommets! These premium grommets are made from high-quality rubber, ensuring exceptional durability and performance for Hunter and Hampton Bay ceiling fan replacement parts. Designed to fit vintage and discontinued models, they are compatible with various components like ceiling fan blade screws, blade arms, balance kits, and mounting brackets. The precise dimensions—diameter 1/4", outside diameter 7/16", thickness 3/8", and groove width 3/16"—allow for easy installation into standard 1/2" screw holes, providing a secure and vibration-free fit.These black rubber grommets excel in high-temperature and corrosive environments, offering reliable sealing and noise reduction. Whether you're repairing antique ceiling fan grommet sets or modern household fan parts, they deliver long-lasting support. The set of 20 pieces ensures you have enough for multiple projects or spares, making it a cost-effective choice for DIY enthusiasts and professionals. Use them for wiring, cables, metal plates, and more to enhance your fan's efficiency and lifespan. Trust Hxszk for quality and reliability in every detail!