Upgrade or maintain your Holosun optics with the YaroX Replacement Screw Set, designed for seamless compatibility with a wide range of models, including: 407C, 407C-GR, 407CO 407K, 407K-GR, 507C, 507C-GR 507K, 507K-GR, 508T, 508T-GR 509T-RD, 509T-GR, 509-RD-ACSS EPS, EPS Carry This set includes two M2 screws and two M2.5 screws, both featuring a Hex drive design for secure and simple installation. Built from durable, corrosion-resistant materials, these screws are designed to handle the demands of tactical and everyday use, providing a snug fit that prevents loosening during recoil or regular operation. Whether you're replacing worn-out screws or upgrading your current setup, the YaroX Replacement Screw Set ensures a reliable and long-lasting solution for your optics' battery tray. Key Features: Precision fit for various Holosun optics models. Durable materials to resist wear, corrosion, and frequent use. Easy Hex drive installation for quick maintenance. Equip your firearm with confidence using YaroX screws, trusted by professionals and enthusiasts for their precision, durability, and outstanding performance.