Pinnacle Hiking Poles Are Made From Extremely Light Weight, Durable Aluminum (about 11 grams for each pole, MUCH lighter than that stick in the woods you have been using) . Each Pole Can Be Extended To Any Length From 25.5 To 53 Inches In Length, the perfect height for people from 4' 10'' to 6' 5''. You can measure the pole height needed by holding your arm at a right angle to the ground and measuring down to the floor. Our poles have been reviewed by 6' 4'' people who LOVED them. The Poles Extend By A Secure Twist Locking Mechanism. The best part about hiking poles is that they reduce stress on your knees and hips by up to 10%!! Pinnacle Hiking Poles Contain Anti-Shock Technology to decrease stress on your body as well. Each Pair includes rubber tips for pavement and Tungsten tips for softer ground like dirt, brush, or snow (snow baskets included). Each Pole has a Comfortable Soft Plastic Grip With Wrist Strap - Each Pair Comes With 2 Spare Tips For A Total Of 4 Tips To Get You Started!