For geological specimen extraction.
Set of six in plastic wallet comprising one each flat cold chisel 100 x 6 mm 130 x 9.5 mm 150 x 13 mm 180 x 16 mm 180 x 19 mm and one crosscut cold chisel 150 x 13 mm.
For cutting solid cylindrical soil sample.
Steel tube with cutting edges at lower end.
An engraved index line ensures consistent volume of sample with tommy bar, size 500 x 50 mm
For withdrawing soil samples of consistent volume from a deep, continuous core.
Cadmium plated sample cylinder with serrated cutting edge with wooden handle.