$39.01 inc GSTCentre Hole Diameter Centre to Centre Length Outside Hole Diameter Thickness Width 19mm 65mm 18 1⁄2” 470mm 10mm 4.8mm 51mm Centre Hole Diameter Centre to Centre Length Outside Hole Diameter Thickness Width 19mm 65mm 18 1⁄2" 470mm 10mm 4.8mm 51mm