350% more resistant to cyclic fatigue. Improved Resistant, cyclic fatigue resistance time. Triangular cross-section: Sharp cutting edges. Advanced memory alloy tech with elegant dark gold color. Controlled memory files. Gold thermal treatment: Enhances cutting efficiency. Extreme Flexibility: To negotiate any canal. Super flexible gold alloy. Advanced Tip Process, Avoid Forming Steps. Safety Tip: Non-Cutting tip to minimize apical transportation. Corrosion Resistant. Autoclavable