Anti Shock Hiking / Walking / Trekking Poles Made of durable light weight aluminum - Adjustable length from approx. 27 Poles contain anti-shock springs for more comfortable trekking Durable tips for less for giving surfaces, rubber foot for flat surfaces and optional snow disk for use on softer ground coverings Comfortable soft plastic grips with wrist strap; Adjustable wrist strap which is excellent and easy to use. Carbide tip for soft surfaces. Replaceable rubber ferrules for pavement, indoor, boardwalk or similar use. Can be easily carried in a backpack .