- Increased Flexibility: NiTi Shaft is made of premium Nickel-Titanium with 5 times the flexibility compared to Stainless Steel Files. - Strength: NiTi has 10 times the stress resistance compared to Stainless Steel Files. - Convenience: Produces smooth and progressive enlargement of root canal. NiTi follow existing canal path and has memory so there is no need to Pre-Bend the files. - Efficiency : Color Coded handles and pre-inserted silicone stops. - Safety : NiTi resists spontaneous breakage.Increased angular rotation reduces fracture. NiTi decreases zipping and stripping.