Man I have just what you need. Stand is 48Lx25Wx38T. New never used custom built. Black doors on each side and front. Sitting in storage unit, waiting on you. Had a new 120, sold tank not stand.
I have a stand from a 150 gallon. Measures at about 60.5L x 24.5W x 41H. Super sturdy. May need fresh coat of paint if used for a display tank or it's ready to go for garage/frag/qt tank. $60
