<br />The bulk of the blade is made from spring steel, which can resist pressure applied from the side without snapping. The safest blade to use is generally a sharp one - as it takes less effort to cut, and therefore greater control can be maintained.<br /><br />This blade stays sharp up to 3 x longer than standard blades. The high-speed steel edge, and heat treated to greater hardness for longer life and edge sharpness.<br /><br />Fit all standard knives.<br /><br />Irwin Bi-Metal Trapezoid Knife Blades<br /><br />Qty: 10">