A.0.50MPa B.0.55MPa C.0.60Mpa D.0.65MPa
A.0.25~0.4mm B.0.3~0.4mm C.0.3~0.45mm D.0.35~0.45mm
A.0.18~0.23mm B.0.18~0.24mm C.0.18~0.25mm D.0.18~0.26mm