Check the listing for details. Holosun 507C X2 TORX Mounting Screws / Custom Made / Glock or Springfield XDM. Condition: New. Listed at 7.50 USD. Custom Made Torx screws for mounting the Holosun HE507C Version 2 (X2) optic. Absolutely Perfect for your Glock MOS or Springfield Armory XDM OSP. Please Read: The Head of a standard flat head screw for mounting the Holosun x2 optic, is too wide and hits the outer inside wall of the optic as you tighten it down, causing damage and possibly cross threading. The screws I'm selling are custom made to my specifications and the Head of the screw is smaller and will fit properly. The length of these custom made screws are NOT standard, and I will not disclose this information due to copy-cat sellers. These screws are AWESOME !YOU NOW GET (4) SCREWS at a Lower Price. Screw Info: You get (4) 6-32 (Perfect length) Class 12.9 Alloy Steel Quenched and Tempered Minimum Tensile Strength of 1220 Mpa Black Oxide T10 Torx Head You will not find these anywhere but here. You will not be disappointed. Item ships FAST with Tracking. I respond quickly to any questions. I'm here to help, not like other cold sellers on ebay. Obviously, the Glock and optic are not included Please Check my Feedback, and Purchase with Confidence. Thank You !