1.360 degree spin easily 2.Sound light 3.High loading 4.Longlife usage 5.Surface treatment:stoving & Self dry paint 1.Material:aluminum2.Size:6 inches,7 inches,8 inches,9 inches,10 inches,12 inches,13 inches,14 inches,16 inches,18 inches,20 inches and 24 inches.3.The size and quantity of the holes could be made as per client's request.4.Working life:5-8 years.5.360 degree swivels easily