The roof of the vehicle assists the threshold, allowing individual access to their roof racks in a single step Gross weight: 220g Size: 15.5*7.5*7.5cm Material: polymer magnesium alloy (lighter weight, better toughness, greater bearing capacity) Bearing capacity: 200kg Product accessories list: pedal + English manual + EVA plastic strip 2 + velvet bag + aircraft box (plastic strip thickness 0.5cm)