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.