Lion Gears Hunting Club/Shooters Club/Bear Hunt/Wild Hunter Tactical Bi-Pods, Black, Height Adjustable Between 8.5" - 12.5" Solid heavy duty cuboid designed for maximum stability Integrated Pica tinny/Weaver mounting deck Dual lock quick release for easy and quick installation Pivoting and swivel Pro Shooting mounting deck design for flexible position-adjustment Spring-tension easy pull and auto-retractable legs for quick height adjustment