>>10686051>the blade is very thin and fragileIt is thin, but it's not so fragile as to break from proper cutting.
I am still using my old SPN-120 (from
>>10686046 pic related), it's 10 years old now and I use it both to cut off the sprue and to clean. I only recently started using a fresh SPN-120 for super-precise micro cuts I needed for my Shigure, but the old one is still good for 90% of the work.