Item: SCRA-06B The Vector Optics Dovetail to Weaver Rail Adapter is a compact and durable accessory designed to convert an 11mm dovetail rail into a 21mm Weaver/Picatinny rail, allowing for a broader range of optic and accessory compatibility. Constructed from high-quality aluminum alloy with a black matte finish, each piece measures 26mm in length, adds a height of 5mm, and weighs 22 grams per pair. This adapter is sold as a pair and is engineered to be shockproof, ensuring reliable performance even under recoil. Technical Specifications Length: 26mm per piece (1.0 inch) Height: 5mm (0.2 inch) Weight (net): 22g (0.8 ounce) one pair High quality aluminum alloy in durable black matte finish Top 21mm weaver rail, bottom fit 11mm dovetail rail One pair (2 pcs) sale Light and compact with accuracy Shock proof Inside The Box Vector Optics · Dovetail to Weaver Rail