HW12
(Rebuilding sentence 1 forCP90)

It is built no more

The device was thought for the finely preparation and is delivered with sharp chisel

By the smaller and thinner chisel - towards him HW15 - if finer preserving is possible

If were series of experiments and are built no more

Substitute is HW16

HW12 - Rebuilding sentence for CP90

This chisel head can be used only if the device CP90 exists

HW 12- A Spare chisel sharp