Do the same job as a Bergeon platax for a fraction of the price : There are two versions of this tool ; one for stacking tool with 7/8" frame and one for 1"1/16 ; (and one other for wristwatches) As my stacking tool is a Boley (7/8") and my K&D staff remover is for a 1"1/16 , i found a nut (1/4" 40tpi) which match the thread (not perfect because the K&D is not exactly 40tpi) (These nuts are used by British live steam amateurs)