non-ferrous metals, wood with nails, PVC, drywall and plastic Titanium Nitride Coating for faster cuts and extended blade life Segmented blade design offers versatile cutting applications includingItem: (Titanium) 4" Wood with Nails Flush Cut 628204630153WOOD + METAL PLUNGE CUTBi-Metal blades feature an ultra-hardened cuttingcutting performance in wood, non-ferrous metals,thin sheet metal, PVC, drywall and plasticdesign – features a rounded edge for precise control