Ensure a perfect and secure fit for your red dot sight on various pistol platforms with the WOSUWENGE Red Dot Screw Kit. This set contains 16 frequently used screw types, covering a wide range of mounting requirements. It includes M3, M4, #4-40, #6-32, #6-40, and #6-48 screw patterns, each offered in multiple lengths to accommodate different handgun models and adapter plates. The WOSUWENGE kit provides three screws per size for added convenience and backup. Detailed contents include： M3 (11mm, 12mm) M4 (8.6mm, 10.1mm) #4-40 (6.35mm, 8mm, 9.5mm) #6-32 (8mm, 9.5mm, 11mm, 12mm) #6-40 (9.5mm, 12.7mm) #6-48 (8mm, 9.5mm, 11.1mm) These screws are made from a high-strength steel alloy and feature Torx T10 drive heads for improved torque transfer and reduced risk of stripping. For optimal performance, we recommend applying 15 inch-pounds of torque during installation. Each screw comes pre-coated with blue threadlocker adhesive to ensure vibration-resistant and long-lasting mounts.