These caps are designed for use with mixing consoles, disc players, and other devices that require a direct slide push button. These caps are easy to install and provide for smooth operation. This product is designed to be convenient and practical, making it suitable for use with multiple devices. Features -Color:White -Material:Plastic -Size:1.20X1.00X0.70cm/0.47X0.39X0.28in -Note: hole diameter: 4 mm -Versatile: This product is versatile and practical, making it compatible with various devices for easy use - Durable: With their durable construction, they are a great addition to any audio or visual setup - Durability and reliability:The product is constructed with durable materials, ensuring durability and reliability - Smooth operation: Delicately crafted for a comfortable and smooth operation, this product provides a good experience -Easy installation : Simple installation makes diy effortless, requiring no skills or tools Package list: 10 x Knobs