| ISO Number: | Use size ''R'' to open root canal, build glide path
Use S1,S2, S3 step by step enlarge root canal
Speed:250-300rpm, Torque2.5N.cm
PRESHAPER
● Made of high quality NiTi alloy with flexible performance after special heat treatment process
● Improved the fracture resistance
● Forward cutting angle with excellent cutting efficiency, easy to discharge debris
● Secure round pointed end that could avoid the steps or side performation
● Adaptive thread makes the files efficient, flexible and high strength
● Recommended rotary speed 250-350rpm, torque 2.5N.cm
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