TACFUN Tactical 45 Degree Angle Offset 20mm Weaver Rail Mount Picatinny 5 Slot Durable all metal construction Lightweight, made of aluminum with black anodized matte finish The offset design creates easy access to on/off switches for flashlights, lasers, and red dot sights Mounting versatility eliminates interference with vertical grips Perfect for mounting backup reflex sights side by side with your primary optics Easy installation Dimensions: 1.75" x 2.2" Weight: 1.5 oz Color: Black