Central pole 112x112mm, horizontal poles 92x92mm, ribs 15x30mm. Shaft color white or anthracite or wood. Each umbrella opens separately with its own crank mechanism. Water gutter is included in the price. Special condition: We use only ULTIMATE NANOACRYLIC fabric for resistance to the rain and to the sun, since the fabric is treated with nanotechnology and lowers temperature up to 8 degrees. The fabric is best for South Countries with a lot of heat.