Smooth snag-free cutting action. Can cut abrasive materials and has no teeth to dull or break. Blade has a tough tempered steel back, making it virtually unbreakable. Cuts on both forward and back strokes. Extra wide for good, straight-line cutting. Fits standard hacksaw frames. Replaces the conventional hacksaw blade. Saws through flagstone, brick, cast metal, ceramic tile, composites, PVC hardwood, plaster, plywood, fiberglass, slate, laminates, marble, and cement backerboard. 1 blade per card.