Crown Sporting Goods Shock-Resistant Adjustable Trekking Pole and Hiking Staff (Set of 2) Lightweight, durable aluminum telescoping trekking pole. Extends from 23" up to 53" and a pair weighs 1.5 lbs Each section locks in with a simple twist and is marked with measurements for precise height settings 3 options for maximum control on many terrains: carbonite tip for rocky, uneven terrain; vulcanized rubber foot for hard flat surfaces; screw-on snow tip to keep the pole from sinking into soft ground Internal anti-shock spring contained in bottom section reduces strain of up to 25% body weight from lower body joints and muscles Features an ergonomic grip, a secondary soft foam grip, sturdy, adjustable wrist strap