Something interesting, the unpainted digger lid is .040 and the painted one is .060:ack
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXDEN7&P=SM
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXKCF2&P=SM
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXDEN7&P=SM
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXKCF2&P=SM