Listo 1620 Mechanical Chinagraph Pencil Box of 12 Color:Red Essential for BS 5930-compliant trial

Essential for BS 5930-compliant trial pit and borehole photography

An excellent companion product to the Ground Investigation Field Kit

Load ring penetrometer for in-situ soil bearing capacity and compaction testing

The 8kg drop hammer drives a cone tip into the ground and the blows per 10mm or 25mm penetration is recorded as the DCPI (Dynamic Cone Penetrometer Index)

clearly labelled green case for easy identification in an emergency

Listo 1620 Mechanical Chinagraph Pencil Box of 12 Color:Red Essential for BS 5930-compliant trialThe Listo 1620 Mechanical Chinagraph Pencil is the professional choice for marking on non porous surfaces in site investigation and field engineering work. Unlike traditional wooden chinagraph pencils, the mechanical barrel eliminates the need for sharpening simply twist to advance the lead. No more broken points, no shavings in your sample bags, and no wasted material. Chinagraph pencils write on virtually any surface glass, plastic, metal, polythene