engine run stand question(help)

I built one from wood I had laying around. But being a stick, it was easy to mount. My friend has one with an empty 727 case that he uses. 1” steel tubing frame with spool mounts. You could probably use a neutral balance converter with the cheap little dinky weight they sell for the externally balanced one if that’s what you need30B54977-E1F0-424D-99A0-82A9A6EFF955.jpeg1A645BBA-EB03-4903-A0DB-77488A9B72A3.jpeg