Features ~ Special design and length for deciduous teeth and patients with limited mouth opening Blue CM wire technology with Heat Activation More resistant to cyclic fatigue and more safe during treatment | How to use~ Prepare the access cavity and explore the canals with 10# and 15# no files Use 17.08 to 1/3rd of the canal Use 20.04 (yellow) 25.04(red) 30.04(blue) in brushing motion with irrigation Move the instrument in short brushing and pecking motion slowly till you reach the apex Package 5 pcs/Pack