The image shows Kinetic Flex Rotary Files, which are high-performance Nickel-Titanium (NiTi) endodontic instruments. They are specifically designed for root canal shaping with a focus on flexibility and resistance to breakage. 

• Heat-Activated NiTi: Enhances the "Blue" phase of the metal, providing exceptional flexibility and cyclic fatigue resistance.

• Controlled Memory: The file can be pre-curved for easier access to difficult orifices and maintains its shape during instrumentation.

• Non-Cutting Safety Tip: Minimizes the risk of apical transportation and ensures the file remains centered in the canal.

• Variable Taper Design: Optimized for efficient debris removal and conservative tooth structure preservation.

• High Cutting Efficiency: The cross-sectional design allows for faster cleaning and shaping compared to traditional NiTi files.

Kinetic Flex Files are heat-activated rotary instruments that utilize advanced metallurgy to provide "controlled memory." This allows the files to be pre-bent and to follow the natural curvature of the root canal with precision, significantly reducing the risk of procedural accidents like ledging or transportation.

• Material: Heat-Treated Nickel-Titanium (NiTi).

• Sizes: Commonly available in assorted sets (SX, S1, S2, F1, F2, F3) or single ISO sizes.

• Lengths: Available in 21mm, 25mm, and 31mm.

• Rotation: Constant clockwise rotation.

• Speed: Recommended 250–350 RPM.

• Torque: Recommended 1.5–3.0 N·cm (depending on the file size).

• Access: Establish straight-line access and identify the canal orifices.

• Glide Path: Create a glide path using manual K-files (typically #10 or #15) to the full working length.

• Orifice Opening: Use the SX file (if applicable) to flare the coronal third of the canal.

• Sequencing: Follow the sequence (S1 → S2 → F1, etc.) using a gentle pecking motion (1–2mm in-and-out).

• Irrigation: Copiously irrigate with Sodium Hypochlorite (NaOCl) and use a lubricant (EDTA) between every file change.

• Cleaning: Clean the flutes of the file after every 3–4 strokes and inspect for unwinding or damage.

• Blister Pack: Usually contains 6 files per pack.

• Assorted: One pack containing the full sequence of sizes.

• Individual: Packs containing 6 files of the same size and length.

• terilization: These instruments are typically provided non-sterile. They must be autoclaved at 134°C for 3–5 minutes before use.

• Single-Use Recommendation: To prevent cross-contamination and the risk of instrument separation due to metal fatigue, single-patient use is strongly advised.

• Safety: Do not use if the file shows signs of "unwinding" (lengthening of the spirals) or if the tip is bent.

• Warranty: Guaranteed against manufacturing defects. As these are consumable surgical tools, there is no long-term warranty once used in a clinical setting.