3 Piece, 1-3/4 Titanium Metal Blade. Titanium enhanced (TiN) blade for 30% more life. Features a wavy tooth pattern for reduced strain on individual teeth for a superior cut in a wide variety on non-ferrous profiles. Popular projects: Deck maintenance, fence repair, flooring, framework with nails or staples, and plunge cutting vents and outlets. Universal Fit. Metal. Wood. Nails. PVC. Drywall