E1: used to hold the file diameter 0.7 mm or 0.8 mm. Recommended for cleaning and irrigating of the root canal, usually used for the anterior teeth.
E2: 95° Angle Holder for Shank dia :0.8mm U files,usually use for molar root canal cleaning,sterilizing and taking out the stem in root canal.
E3: After root canal cleaning, using the mech-anism and heat energy of ultrasonic vibration to intenerate the filling Lateral condensation, to make sure the top of the scaler tip touch the lateral condensation.
P4D: Remove calcification in the coronal third of the root canal
E3D: Used to remove the calcification and bad filling material of pulb cavity(diamond-coated)
E4D: For retreaments and remove hard materials (diamond-coated)