Size: 23 lbs - 17.25" Dia x 12.75"H,  19 lbs - 17.25" Dia x 13" H, 24 lbs - 17.75" Dia x 13.25" H, 49 lbs - 22.50" Dia x 16.25" H Tightening knob securely locks the umbrella in place Cast iron material ensures excellent stability Great for your patio,…