Check the listing for details. Vortex Optics Diamondback Tactical 3-9x40 Scope Quick Throw Lever. Condition: New. Listed at 18.50 USD. Scope Quick Throw Lever for Vortex Optics Diamondback Tactical 3-9x40mm Riflescope. Custom made to fit only the Vortex Optics Diamondback Tactical 3-9x40mm riflescope. The inside diameter of this throw lever is approximately 42mm. This is a 3d printed resin part, not aluminum. My printer uses resin that cures under UV light to create the part in very fine detail. Allows for quick throw of magnification eyepiece to quickly adjust for distance. Stainless steel mounting screw, lock nut and 2.5mm Allen key included. Slips over magnification adjustment ring for quick throw. Makes zooming in on your target quick and easy. See my other listings for other scope options. This is a 3d printed part with minimal postproduction conditioning. Part can be sanded, conditioned, and painted as seen fit. As being a 3d printed part I offer a 1-year replacement warranty on all parts. Condition is 3d printed New. Shipped with USPS First Class Package (2 to 3 business days). Please verify that you are buying the correct quick throw lever for your scope. If you have a problem with your order, please send me a message for a resolution.Returns accepted within 30 days of delivery. Buyer to pay return shipping. Item must be in original condition.Please contact me if you have any issues before leaving feedback. I am more that willing to work with anyone to make things right. Packaging may vary. SCOPE AND RIFLE ARE NOT INCLUDED! Caution: Do not over tighten screw. Overtightening will cause damage to throw lever. Only tighten until snug, about 5 in. lbs.