A twelve point 5/8ths,deep socket Will get it, or spend under ten bucks for the square plastic nut driver.
…and it usually takes a special tool!
A twelve point 5/8ths,deep socket Will get it, or spend under ten bucks for the square plastic nut driver.
The bigger the cushion, the better the pushin’.
I keep a Phillip head on the back of the toilet😁