Empire Model SPCL MS131830 Turbine Blade Shot Peen (2005) Complete With Torit Dust Collector, 6 Position Rotating Spider Specifications (Preliminary) Year of Manufacture: 2005 Model: SPCL MS131830 / 7286-P Blade Number: CFM 4150 Blade Size Range: 4150mm long x 27mm Wide x 0.8 Thickness Capacities: Cfm 56 -34 Cfm 56 -5 Cfm 56 -7 Airfoils