Dental Rotary Rainbow Files Heat Activated NiTi Canal Root Files Can Bend Endodontic Treatment Rotary File 6pcs/Box

DescriptionDental Heat Activated Root Canal File Rotary Rainbow Niti Files Endo Motor Dentist ToolsAnti-broken/Heat activated.Super cutting force.Material: NITI Total length: 21mm/25mm5pcs/box . Choose Sizes: 1708/1504/2004/2504/2506variable pitch threadThe thread pitch gradually decreases from the stem to the tip.Reduce the suction force of the file.Resistant to breakage, facilitating control of instruments deep into the root canal.Prevent the instrument from embedding into the root canal wall.utting filmMedical grade rubber is convenient for controlling the depth of the root canal.Precise laser scribingClear length identification facilitates doctors to grasp the length of the root canal.