IMAGE Blue Pair 2 Adjustable Outdoor Trekking Hiking Lightweight Stick Pole Alpenstock Telescoping Anti Shock Nordic Walking Mountaineering (6061 Aluminum) Anti-Shock on/off mechanism, which reduce stress on knees, thighs shoulders and lower back. Easy twist lock adjustment system. Durable, lightweight and highest strength 6061 aluminum with frosted effect. Weight: approx. 12 ounces(340g)/pole. 3-Section telescopic pole provides suitable flexibility. Adjustable length from approx. 27" to 54"(67cm to 135cm). Ergonomic plastic handle grip offers a maximum non-slip, comfortable, natural and warm handhold. Extended, lightweight non-slip foam grip. 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. Available color: Blue Package included: 2 x Brand new 3 Section 67-135cm Trekking Poles.Reminder: if you could not lock the poles up, please kindly contact customer service for video instruction. And if it is broken, please contact us also for replacement;we can give you the best service we could offer, thank you!