Drill America 8 Piece Tungsten Carbide Set Cutting Bit Accessory Kit Roof Coatings The GAF Master Flow 30 Watt The GAF Master Flow 30 Watt Low Profile Solar Powered Roof Mount Exhaust Fan will help remove excess heat and moisture from your attic to protect your roofing system from premature deterioration and its low profile design enhances to appearance of your finished roof 3 Year Warranty on Batteries Certifications and Listings CSA Listed stainless steel and metals Double cut style for rapid material removal in tough applications Solid carbide tooling provide long life and faster cutting speeds Round 1 4 in Sub Brand Drill America CA Residents: Prop 65 Warning(s) Yes Diameter Measurement Set For Use on Glass No For Use on Wood Yes Warranty None For Use on Ceramic No For Use on Concrete No For Use on Grout No Material Tungsten carbide Set Individual Set Total Number of Pieces 8 For Use on Metal Yes For Use on Drywall No Type Bur For Use on Plastic Yes Application Cutting