Altosy 101 Duralumin Trekking Poles 2.0 (1 Pair) Trekking Hiking Sticks Poles Alpenstock Adjustable Telescoping Anti Shock Walking Mountaineering Poles Internal anti-shock spring technology,Non-slip carbide tip for pole plants on various surfaces eaturing our "twist lock" for easy height adjustment (includes a pair, two poles) Comes with ability to turn on/off the anti-shock feature. Super light super tough, use duralumin 7075. Size: 58-120cm