Area 419 Diving Board Accessory Rail for Tactical One-Piece Mounts High Height Black. The diving board mounts via our patent pending dual taper mounting point on the top of the scope cap delivering the most secure attachment possible. Useful for items ranging from levels and dope cards to red dots and weapons-mounted laser range finders. The durability and rigidity of this piece are the best in class making your return to zero that much better. Specifications for Area 419 Diving Board Accessory Rail for Tactical One-Piece Mounts High Height: Manufacturer: Area 419 Color: Black Height: 1.11 in Fabric/Material: 7075 Aluminum Country of Origin: USA Finish: Anodized Features of Area 419 Diving Board Accessory Rail for Tactical One-Piece Mounts High Height 1.11in tall 1.93in from the optical center to top of pic on a 34mm optic Four 1/4 x 20 holes 10 slot MIL-STD-1913 spec rail Type III Hardcoat Black anodized Captive mounting screws CNC Milled Package Contents: Area 419 Diving Board Accessory Rail for Tactical One-Piece Mounts High Height Area 419 419-TSM-DB: Diving Board Accessory Rail for Tactical One-Piece Mounts High Height Black