Grey Scale for Color Assessing Change In Color/ Color Staining

1) There are two tyles of Grey Scale (Gray Scale)-one for assessing ' color change' and one for for assessing ' staining'.

2) The color change scale consists of inine pairs of grey colored chips, from grade 1 to 5.

3) The staining scale consists of nine pairs of grey and white colored chip, from grades 1 to 5.

4) They are manufactured strictly in accordance with ISO 105-A02 AND A03.