the following example is for you reference.
1.Brief Introduction:
Double cut soil auger
Main application soft to stiff silt and clay, loose to medium dense sand, gravel SB-2 is recommended for uncased bores or for bigger
2.Techincal parameters:
Kelly box 130*130mm
150mm*150mm 200mm*200mm
Diameters
SIZE 600MM/700MM/800MM/900MM
3.Performance features:
Good quality, long use time, suitable for soft to stiff clay