GAF MasterFlow Green Machine Solar Powered EcoSmart Gable Vent, 500 CFM, Steel, 18 1 2 in Height M18 Accessories Nestle it in a clean 91111 Nestle it in a clean valve box layout with labeled manifolds to keep service beautiful and effortless Series Name N A Sub Brand Marples Bit Type Forstner bit Bit Length 3 11 16 in Shank Size 3 8 in Shank Type Round Material High speed steel Case Type N A (no case) Quick Change No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty None Set Individual Individual Package Quantity 1 CA Residents: Prop 65 Warning(s) Yes Brand Model Compatibility All Bit Diameter (Inches) 2 in solar powered attic ventilation that saves energy from day one Angle the panel subtly along the roofline to catch sun and keep the silhouette streamlined