The Aero is innovative thanks to its 3-tooth tip design which gives the best quick and easy screwing. Its thin wall design reduces the weight considerably, the steel tip and tube maintains high durability of the threads. Its largest diameter body allows to use securely existing holes when there is no other option. Colors-coding easily indicates the length of the screw. Its features and design make it the ideal ice screw for the most technical routes where performance, durability and lightness are key. Technical Information: Material: Chromoly steel, AluminumColor-coated knob and hanger to easily identify screw lengths: ORANGE (7cm), RED (10cm-76g), GOLD (13cm-90g), BLUE (16cm-100g), GREY (19cm - 111g), GREEN (22cm-121g)Teeth protective capFoldable stainless steel wire crankHighly textured crank knob for secure handlingCertifications: CE EN 568, UIAA 151.PPE: return not allowed