MOUNTAIN YOYO "Discovery CF Flip Lock Light Weight (Carbon Fiber 210g, 7.5oz) Walking Pole Trekking Pole Walking Stick Telescoping Adjustable Men Women MOUNTAIN YOYO "DISCOVERY CF" Flip Lock Light Weight (Carbon Fiber 210g, 7.5oz) Walking Poles Trekking Poles Walking Stick Telescoping Men Women 3-Section telescopic pole. Patented fail safe "one second" flip locking mechanism. length from approximately 26.3 " to 53.1 " (67 to 135cm) FREE ADDITIONAL TIP PRODUCTOR AND INTERGRATED SNOW DISK, LIFETIME WARRANTY ON PARTS AND LABOR Tips are made of tungsten cobalt alloy, last for decades of years. EVA handle with easy stapes, very comfortable to hold MOUNTAIN YOYO "DISCOVERY" series passed Tensile Strength test 100kg and GS certificated(GS only require 56kg). Well tested in various environments such as snow mountains or deserts by professional walkers.