Product specifications:

Ф0.145mm-Ф0.40mm(Each coil to do 6-24 root）

Ф 0.41mm-Ф0.52mm(Each coil to do 6-16 root）

Ф 0.53mm-Ф0.67mm(Each coil to do 6-16root）

Executive standard:GB3953-2009