Mountain YOYO M Series Ultra Light Weight(Aviation 7075 Aluminium Alloy) (198g, 7oz) Walking Poles Trekking Poles Walking Stick Collapsible Adjustable Anti Shock Men Women MOUNTAIN YOYO M series is made of Aviation Grade 7075 Aluminium Alloy, each pole weighs right under 7oz (198g) 4-Piece walking pole that collapse to just 13.7", expended length approximately 49.2 " FREE ADDITIONAL TIP PRODUCTOR, LIFETIME WARRANTY ON PARTS AND LABOR Tips are made of tungsten cobalt alloy, last for decades of years. EVA handle with easy adjustable stapes, very comfortable to hold. MOUNTAIN YOYO M series passed Tensile Strength test 100kg and GS certificated(GS only require 56kg)