A.0.6-0.8mm B.0.7--0.9mm C.0.8-1.0rnm D.0.9-1.1mm
A.0.7~1.0mm B.0.8~1.1mm C.0.9~1.2mm D.1.0~1.3mm
A.0.5mm B.5mm C.25mm D.2.5mm