E1, – 120° Angle Holder for 0.8mm dia.U files, used for anterior root canal cleaning, sterilizing debris removal. E2, – 95° Angle Holder for 0.8mm dia.U files, used for molar root canal cleaning, sterilizing and debris removal. E3, – After root canal cleaning, using the mechanism and heat generated from ultrasonic vibration to intenerate the filling lateral condensation. E4, – CE Durable use & best For retreaments and remove hard materials (diamond-coated) Use For UDS series scalers. E4D , – Diamond-coated instrument for removing the calcification and bad filling materiel in the root canal during the root canal retreatment.The length of the diamond-coated on tip is 15mm. E5, – Applied to remove the root filling obstructions during the root canal retreatment. the length of tip slender part is 16mm. E5D – , Diamond-coated instrument for removing the calcification and bad filling materiel in the root canal during the root canal retreatment.The length of the diamond-coated on tip is 10mm. E8, – Applied to hold different types of dental bur to realize a variety of treatment of teeth usually used for anterior teeth.special burs used for dental implant is applicable. E9, – Applied to hold different types of dental bur to realize a variety of treatment on teeth. special burs used for dental implant is applicable. E11D, – Diamond coated(40um grit)instrument for highly efficient root planning in the retrograde preparation of root canal.the length of the diamond coated part is 2.2mm. E11 – , Used for root canal softly treatment, E14, – Applied to remove the root filling obstructions during the root canal retreatment. the length of tip slender part is 22mm.with irrigation. to avoid push the broken file deeper into the root canal don’t use pressure to the tip in the axial direction.