The Komelon FB-240 folding saw is made of high carbon steel and impulse hardened for extra sharp teeth and maximum blade durability of the saws cutting edge. The tapered ground provides a smoother, faster-cutting performance with the least amount of harm to the cut branch. Replacement blades are available for purchase for this model. With maximum durability and performance in mind, we believe Komelon saws will stand up to any test.