TheKupo Roly Poly Counterbalanced Umbrella Swivel Bracketis constructed of heavy-duty aluminium, has a ratcheting handle and a non-slip matrix of aluminium disk, which all work to keep your speedlight from toppling over. The built-in shaft umbrella receptacle accepts shafts up to 9mm. with the Kupo Roly Poly Counterbalanced Umbrella Swivel Bracket.