Komperdell Shockmaster Antishock Cork Trekking Poles Light weight 7075-T6 Aluminum shafts resist corrosion and offer optimal stability. 3 sections of 18/16/14 mm and adjust from 71 cm to 140 cm. (28" to 55") The Contour Cork Compact grip is made of soft natural materials for comfort and durability. It also has an integrated 8 degree corrective bend to provide the proper angle for your wrist. They also resist moisture, reduce vibration and conform gradually to the shape of your hands. Adjustable, wide webbing wrist strap for comfort. Standard BR-2 twist locking mechanism with diagonal expander. Shocklight On/Off System is clicked on for downhill cushioning and is locked off to stabilize the pole when climbing. It also eases impact to joints and lower back