The Stanley 12-Inch High Tension Hacksaw features a rugged design for heavy-duty use. The fully adjustable tension holds the 12-inch blade up to 32,000 PSI for fast, accurate cuts and a longer blade life. The quick-release, blade changing mechanism in the handle maintains the tension setting, and an easy to access tension guide is on the handle lever. This saw is backed by a limited lifetime warranty. To choose the saw that"s best for you, view the comparison chart of Stanley saw blades.