Check the listing for details. Vortex Optics Diamondback Scope Quick Throw Lever. Color: Black, Condition: New. Listed at 18.50 USD. Scope Quick Throw Lever for Vortex Optics Diamondback 4-12x40, 3.5-10x50, 2-7x35 and 3-9x40 Riflescope. Custom made to fit the Vortex Optics Diamondback 4-12x40, however, it also fits the 3.5-10x50, 2-7x35 and 3-9x40 versions. This is a 3d printed part, not aluminum. 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. Disclaimer: Ballistics Brothers is not affiliated with any brand or manufacturer. All products that we sell are designed and built by us in the USA.