Heavy-duty Full Metal Construction to Meet Harshest Requirements Clever Dual Mounting – Picatinny Mount and Swivel Stud Mount Quick Detachable Lever Lock in Mounting Base to Fit on Any Picatinny/Weaver Rail Fully Adjustable Legs with 9 Extension Notches for Most Secured Extension Positions, Further Supported by Lockable Thumb Wheel for Fine and Precision Adjustment Foldable Arms with Robust External Spring Tension Control Unique Non-slip Rubberized Foot Pads for Any Terrain or Surface