STANLEY 20-531 Hacksaw, 24 TPI, Contour-Grip Handle                The STANLEY 17 in 24 TPI FATMAXA(R) high-tension hacksaw has a durable, one-piece die-cast metal body designed for the ultra high-tension of 330 lb. It boasts a pre-tensioning mechanism that holds the blade in place for quick and easy blade changes, bringing real convenience to this versatile, useful hand tool.