UTG Tactical Op Bipod High Tech Durable Aluminum Construction and Steel Top Platform Clever Dual Mounting - Picatinny Mount and Swivel Stud Mount Foldable Arms with Robust External Spring Tension Control Fully Adjustable Legs with Posi-lock Wheel & Quick Retraction Button High-tech durable aluminum construction and steel top platform Clever dual mounting - Picatinny Mount and swivel stud mount Foldable arms with robust external spring tension control; fully adjustable legs with Posi-lock wheel Panning capability; swivel stud kit; Picatinny Mount; rubberized stand Aluminum; weighs 11.5 ounces