FIT Hacksaw / hacksaw

One problem that always bothers the user is that the hacksaw blade is easily broken due to carelessness. And the broken blades have to be thrown into the garbage can which causes lots of waste. FIT hacksaw solved the problem by refining the frame of the hacksaw. User can adjust the length of the frame according to the length of the broken blade piece. And a totally new way to fix the broken blade helps to optimize the user experience.