• 5.7cm opening holds patio umbrella securely and upright with the tightening knob. • Suitable Umbrella Rod: Dia.3.8cm, Dia.4.8cm. • Suitable Umbrella Rod: Φ3.8cm, Φ4.8cm. • Half Round Design ensuring it match Simi-round type parasols perfectly in case of setting close to side of wall.
