IRWIN Bi-Metal Trapezoid Knife Blades Pack of 100
is no longer available although you may find similar or newer versions below:
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.
This blade stays sharp up to 3 x longer than standard blades
Irwin Bi-Metal Trapezoid Knife Blades combine the best of two metals electro-welded together
Fits all standard knives.
Irwin Bi-Metal Trapezoid Knife Blades