Primos Short Bi Pod -Seamless tempered-aluminum tubes with patented Posi-Lock adjustment are bench stable, lightweight, mobile, and silently adjust to terrain with a quick quarter-twist. The rugged nylon yoke is strong, lighter than steel and will never rust. The tactile rubber shooting V grips your stock for a steadier shot. It's rock-solid support that is lightweight enough to take anywhere. Three piece bi podPerfect for kneeling to sittingAdjust from 16in to 38in