Comprehensive Replacement Options: This kit includes 20 doorbell screws, with 5 of each type: T16 (short), T16 (long), T5 (short), and T5 (long). This generous supply ensures you have more than enough screws for initial installation or future replacements. Superior Quality & Durability: Crafted from industrial-grade hardened carbon steel, these doorbell screws offer exceptional strength and durability comparable to the originals. They're also electroplated with zinc, providing a protective layer against corrosion and rust for long-lasting performance. Detailed Size Information: Each type of replacement screw comes in a specific size. T16 (long) screws measure 1 x 0.5 cm/0.39 x 0.2 inches, T16 (short) screws measure 0.9 x 0.5 cm/0.35 x 0.2 inches, T5 (long) screws measure 1.1 x 0.5 cm/0.43 x 0.2 inches, and T5 (short) screws measure 0.7 x 0.5 cm/0.28 x 0.2 inches. This detailed sizing makes it easy to select the right screws for your specific needs. Enhanced Performance: These replacement doorbell screws feature a thick, flat tip, ensuring a secure fit, increased durability, and reliable attachment to your doorbell mount. This design detail guarantees a stable and dependable connection between your doorbell and its mounting bracket, providing a satisfying and secure user experience. Versatile Compatibility: These doorbell accessory screws are suitable for various Ring devices, including Ring Doorbell, Ring Doorbell 2, and Ring Doorbell Pro. Whether you're installing a new doorbell or replacing existing screws, this kit offers broad compatibility, making it a versatile choice for your Ring devices.