MOUNTAINTOP Trekking Poles - 2 Pack - Anti-Shock Hiking/Walking/Climbing Sticks,for Travel Hiking Backpacking Walking -DURABLE STRAPS OF THE TREKKING POLES- helps support the wrist and transfers some of the force from the hand to the wrist. This allows the user to grip the poles with less force. -EXTENDABLE- 2-section extendable from 24 to 53 inches. To set the length, loosen the locking mechanism and adjust the shaft up or down to get your appropriate length. -ADJUSTABLE BOLTS- You can adjust the angle freely by the bolts on the levers. -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 -WARRANTY- Includes 90 days limited warranty.