KevenAnna Trekking Poles, Adjustable Retractable Anti-Shock Durable Aluminum Hiking Sticks for Outdoor Walking Trekking Climbing, 1 Piece -Made of durable light weight aluminum, great for trekking, hiking, backpacking, climbing, and mountaineering -Shock-absorbing poles, annti-shock spring mechanism reduces strains on hands and wrist, which is perfect for people with weak joints, prior sports injuries, and it is best for downhill hiking -Stable material, can be used in high altitude and cold weather, weather resistance, corrosion prevention and free from temperature influence (-112F to 176F) -Adjustable height: Folded Size:25" (65cm). Extended Size: 56" (135cm) -Poles are fitted with trekking baskets and durable tungsten carbide tips; Trekking baskets promote stability on soft terrain; baskets are easily twisted on and off