PROAIM Aluminium Tripod Stability arm Set (P-TSA-S) for Smooth Video Slider Dolly Tripod Stand Stable Shots Film Movie Making Wedding Sony Nikon Panasonic Lumix Canon Extends for different type of shots; angled & tilt positions. Quickly attaches to most tripods. Sturdy build ensures long life durability. Eliminates the need of second tripod. Aluminium construction; 100% Satisfaction Guarantee.