Upgraded Steel Tube for Years: With thick steel tube, the umbrella base stand is bending resistant, lasts for years, can safely support a 50 lbs table umbrella and can be used in all weather conditions. Wide Use: Store for home and commercial use. Apply for family, hotel, villa, terrace, balcony, resort, water park, BBQ bar, restaurant, beauty salon, outdoor leisure umbrella base, umbrella base stand, patio umbrella base, outdoor umbrella base, market umbrella base, company rest area, etc. Lightweight and Durable: Designed to hold your patio umbrella securely. This sturdy umbrella stand will allow more space on your deck or patio. Product Size: This umbrella base stand has 2 hand-rotating tightening knobs to secure the umbrella to the base. Overall Size: 3.4"(L) x 3.4"(W) x 10"(H). 【Adjustment Range】 It is equipped with an adjustable piston, a wide range of applications, can be adjusted according to the thickness of the umbrella column. Umbrella pole diameter range: φ0.8" - 1.5"