Soul Spirit Rod SetGrey Rod SetThis is a combination set of the 7 additional rods in both the 3 shades of grey and the 4 element or “soul-spirit” colors that are used for many of the more advanced Esogetic Colorpuncture therapies. Designed to be used with the Perlux P117 light pen, there is a small savings for purchasing both the grey and soul spirit rods in a combination set.