Feature Quick Release Cantilever Riser Mount for Rapid Installation and Removal on Picatinny Rails 32.5 mm / 0.9 in Saddle Height, Low 1/3 Co-Witness, Uncluttered View Without Obstruction Crafted from 7075-T6 Aluminum Alloy for Exceptional Durability and Lightweight Performance Compatible with T1 Footprint, Suitable for SCRD-69 Red Dot Sights Specification Ring Dia: N/A Saddle Height: 32.5 mm / 0.9 in Central Height: N/A Mount Length: 45.28 mm / 1.78 in Material: 7075-T6 Aluminum Alloy Weight: 65 g / 2.29 oz Mount: Picatinny Finish: Black Matte Items in the Package: T10 Hex Key, 4 Pieces of Screws Size Footprint