Shower screen bracket removal

[HH @ 24]

Does anyone know how to remove the stabilizer brackets from this shower screen? The fixings aren't screws. There is a cap on the outer side I thought would flip off to reveal a screw head, but the caps aren't moving. Thanks!

 

[Cubist]

The arm looks to be fastened with allan bolts to me. These are screw bolts which are operated with hexagonal 'Allan Keys' available at any diy store.

 

[LadyArowana]

The arm looks to be fastened with allan bolts to me. These are screw bolts which are operated with hexagonal 'Allan Keys' available at any diy store.

I agree. We have a bathroom robe hook and hidden away underneath it has a teeny hole for one of those keys. That’s what holds the hook onto the door fitting, the hook part fell off and it took me a while to solve the mystery of what was holding it up there in the first place! I have sets of the keys, some metric, some other seemingly random sizes, one fit and job done. A shower screen would be a two person job, wouldn’t want it to suddenly go walkabout when the things are unscrewed!

 

[noj]

And don't forget to cover the plughole before starting. I swear those things are filled with the equivalent of a black hole as soon as there's a loose screw in the room...