Disc diameter are 10cm(for cohesionless soil with particle size less than 2mm) and 20cm(for cohesionless soil with particle size less than 5mm) each one.
2.配置水槽和勺 Equipped with sink and spoon.
3.支架、转动制动器、带刻度杆、说明书、保修卡、合格证.
Bracket, rotary brake, with scale lever, manual, warranty card, certificate
