Check the listing for details. 2pack 0.5" Quick Release Detach Mini Riser Mount 3-Slot for Picatinny Rail. Color: Black, Condition: New. Listed at 13.99 USD. Sufficient to mount accessories of any sizeRaise flat rail line or sight by 1/2 inchLocks securely in place with quick release lock.Easy to install and detach, no tools neededFit standard 20mm Picatinny railsDurable all metal constructionLightweight, made of aluminum with black anodized matte finishAdjustable locking tension Dimensions: 0.79" (H) 1.5" (L) 1.23 mm (W)Weight2.2 ozMaterial: Aluminum, SteelFinish: Black matte2PACK PER ORDER SHIPPING: **FREE SHIPPING**Shipped USA domestic only! No international shipping!All orders will be shipped within 1 business days after the payment is cleared.The tracking number will be sent email to you.USPS First Class Shipping Service: 2-5 Business DaysRETURNS:30-day no questions asked return policy. Return items must be returned in new condition with all original parts and packaging.Free Return Shipping.We have 100% satisfactory guarantee. Our goal is to keep our customers beyond statisfied. If you are not satisfied with your purchase, or if by any chance you do receive a defective item please contact us and we will help to resolve your problem.All products are guaranteed for two year.