Red Dot Screw Kit M3 M4 #4-40 #6-32 #6-40 #6-48 for Optic & Pistol Mounting
Complete list of screws included: M3 (11mm and 12mm length) | M4 (8.6mm and 10.1mm length) | #4-40 (6.35mm, 8mm, and 9.5mm length) | #6-32 (8mm, 9.5mm, 11mm, and 12mm length) | #6-40 (9.5mm and 12.7mm length) | #6-48 (8mm, 9.5mm, and 11.1mm length).