• Made of high-strength stainless steel, including wing screws, for great load capacity. • Galvanized finish that provides resistance to oxidation and rust. • Metal tube dimensions: length of 14.2 cm and inner diameter of 4 cm. • Clamp adjustment range: 0-5 cm, suitable for umbrellas, flags, and fishing rods. • Easy installation on railings without the need for tools, with tightening screws and rubber sleeves for greater stability. • Includes an umbrella hook with four hooks, ideal for hanging objects without touching the ground. • Compatible with surfaces up to 5 cm thick, such as terraces, bleachers, benches, boats, and fences.