The Manfrotto MPMXPROA4 is a 4-section aluminum photo monopod featuring D-shaped tubes and Quick Power Lock levers.Key SpecificationsMaterial: AluminumMaximum Height: 180 cm (70.87 in)Minimum / Closed Length: 56 cm (22.05 in)Leg Sections: 4Weight: 0.75 kg (1.65 lbs)Safety Payload Capacity: Up to 20 kg (44.09 lbs) under UNI/PdR 105:2021 standards (standard safety payload listed at 8 kg by some distributors)Top Attachment: 1/4″ screw, 3/8″ screwLeg Lock Type: Flip Lock (Quick Power Lock)Leg Tube Diameters: 30, 26, 22.5, 19 mmUpper Disc Diameter: 60 mm