Home Plant Ventilator Exaust Motor Fan Blade Silver Tone 17cm Diameter Product Name : Fan Vanes;Type : 5 Vanes;Fan Diameter : 17cm/6.7" Shaft Hole Dia : 7mm/0.28";Small Hole Dia : 3.5mm/0.14";Diagonal Hole Center Distance : 25mm/1" Parallel Hole Center Distance : 18mm/0.7";Fan Thickness : 1mm/0.04" Material : Aluminum Alloy;Color : Silver Tone Net Weight : 38g;Package Content : 1 x Fan Vanes