door glass removal is there a special tool on 1997 Lexus SC400

detrimming door for repair

Asked by for the 1997 Lexus SC400
yes. have it done b4 you break the regulator or window
do you know tool part # who to get from my set doesnt match spanner nut correctly , Snap On dealer hasnt run across problem before. local Lexus dealer has no one who knows. Dont mind buying tool if pointed in right direction thanks for any help