Each piece is sleekly designed, rigorously tested for durability, and assembly instructions have been standardized for simplicity from start to finish. This classic style and reliable craftsmanship will weather ever-changing trends and regular use for years to come. Equipped with adjustable piston, a wide range of application, can be adjusted according to the thickness of the umbrella column.Umbrella Pole Diameter Range:φ1.5″ or 1.9″ With an attractive decorative pattern,help you enjoy your patio umbrella. Applicable: family, villa, hotel, terrace, balcony, resort, water park, barbecue bar, western restaurant, beauty salon, outdoor leisure area, company leisure area, company rest area, etc.