The C6 CHORD & SLIDE RULE CHARTS FOR 6(SIX) STRING LAP STEEL DOBRO GUITAR are 2(two) 8.5"x 11" laminated charts showing 36 chords and every note in any key.  The tuning is C-E-G-A-C-E.  All the Major, minor and minor 7th chords on the entire neck 2 octaves.  The slide rule chart shows the location of every note on the neck for any key, good for improvisations.  Chords require 3 and 4 string grips.  Try it!