vidaXL 66.1lb Square Umbrella Base with Wheels, Stainless Steel Pipe, 17.7"x17.7" Gray

Color: Gray Material: Granite weight plate + stainless steel tube holder Base dimensions: 17.7" x 17.7" x 2" (L x W x T) Tube height: 11.6" Tube external diameter: 2.2" Tube internal diameter: 1.9" Weight: 66.1 lb With an adapter for umbrella poles with a diameter of 1.5"/1.9" With 4 castors and 2 locking bolts