Passport poles are the lightest Helinox poles available. The Twist Lock 120 is easy use, allowing you adjustability on the go as well as the ability to pack them up small. This model is perfect for day hiking, world travel or just everyday use. We are proud to introduce Helinox brand trekking poles. Made by DAC, the leading manufacturer of tent poles, Helinox poles incorporate many of the advanced features and quality found in our tent poles. Passport Series Helinox Poles are ideal for travel, available in pairs as well as singular. Twist Lock This proven lock design keeps weight to a minimum. Easy to use and pack for travel. Helinox poles are engineered with DAC's proprietary aluminum alloy, TH72M, which provides superior strength to weight characteristics. TH72M aluminum alloy is exclusive to Helinox trekking poles which results is incredibly lightweight poles. DAC Green Anodizing involves no nitric or phosphoric acid and greatly reduces water consumption by using recycled water for rinsing. The rule of thumb for fitting a trekking pole is that your elbow should be bent 90 so your forearm is parallel to the ground when holding your poles. Your personal preference as well as the terrain will influence the exact height of your trekking poles. To get an idea of the approximate length pole you need, bend your elbow 90 and use the measurement from the ground to the top of your fist.