Specification Brand : NSKI BulletPoint1 : ◆ Can be pre-bent, has a unique memory recovery in the heat, its flexibility and shape memory improve the safety BulletPoint2 : safety ◆ With precise processing technology, products in good flexibility, high quality cutting efficiency and fracture resistance. BulletPoint3 : ◆ It is flexible and can adapt to the root canal path itself. BulletPoint4 : ◆ Special design on screw thread,enabling the file to slow down when approaching the apical foramen,and this avoid perforation. BulletPoint5 : ◆ Special processing craft makes the file more flexible,rendering it enhanced fracture resistance and having unique memory recovery. Color : Blue FdaDeviceClassification : i FdaIndicationOfUse : rx FdaInstructionsForUseType : professional FdaLabelType : consumer FdaPremarketApprovalNumber510k : 510k exempt FdaPremarketApprovalNumberPma : hjjyc IncludedComponents : 6Pcs ItemName : 6Pcs/Pack Endodontic Files Blue NiTi Files Engine Use F3 21mm/25mm Rotary Super File Instruments Tools Heat Activation (25mm) ItemPackageDimensions_Height : 13.6 centimeters ItemPackageDimensions_Length : 0.7 centimeters ItemPackageDimensions_Width : 8.4 centimeters ItemTypeKeyword : professional-dental-endodontic-rotary-files Manufacturer : NSKI MaximumRotationalSpeed : 350 rpm MinimumSpeed : 250 rpm ModelName : F3 ModelNumber : F3 NumberOfBoxes : 1 NumberOfItems : 6 PartNumber : 74906 PowerSourceType : No ProductDescription : Specification: Size: F3 Taper: 09 Diameter: #30 Length: 21mm/25mm Torque: 2.0 N.cm Speed: 250-350 rpm Use: Engine Use Material:Nickel-titanium alloy Color: Blue Packing list: 6 files/pack