Lion Gears Hunting Club/Shooters Club/Bear Hunt/Wild Hunter SP-SL09 Tactical Bi-Pods, Black, Height Adjustable Between 8.5" - 10.6" Tactical foldable bipod with spring lock Integrated Pica tinny/Weaver mounting deck Dual lock quick release for easy and quick installation Pivoting and swivel mounting deck for flexible position-adjustment Spring-tension easy pull and auto-retractable legs for quick height adjustment