Niti Closed Spring Dental Orthodontic Instruments
Niti Closed Spring
Orthodontic Ni-ti close springs
Round Specification: 0.010'', 0.012''
length:6mm 9mm 12mm 15mm
10pcs/pk
1.Length 6mm 9mm 12mm lengths
2.Important:do not expand 9mm coil to more 18mm total length from eyelet to eyelet or do not twist more than 180 to aviod deformation or signification change in force.