A.5B.10C.15D.20
A.50mm×50mm×50mm B.100mm×100mm×100mm C.150mm×150mm×150mm D.200mm×200mm×200mm
A.0.5 B.1.0 C.2.0 D.3.0
A.5~25 B.5~30 C.10~37 D.5~35
A.20mm B.15mm C.10mm D.5mm