• NiTi has 5 times the flexibility compared to stainless steel files • NiTi has 10 times the stress resistance compared to stainless steel files • Produces smooth and progressive enlargement of root canal • NiTi follows has memory so there is no need to prebend the files • Color coded handles and pre-inserted silicone endo stops • NiTi resists spontaneous breakage, decreases zipping and stripping • Increased angular rotation reduces fracture