Do it 9 PPI 15 in. Hand Saw, Wood Handle features hardened teeth designed to stay sharp longer, ensuring durability and reliable performance. Its new aggressive tooth design allows cutting on both downward and upward strokes, making it 50% more efficient for faster and smoother cuts. The handle is thoughtfully crafted with both 45-degree and 90-degree angle guides, providing versatility and precision for various cutting tasks. Model Number: 262SS159