The folding tool is designed for folding light ingredients into heavier mixtures for example meringues, mousses, fruit fools, Genoese sponges, soufflés and to fold flour into cake mixes. It is not made to be used with heavy recipes such as dough, creaming fat and sugar or all in one cake mixes. This tool should not be used with hot ingredients. N.B.: AT511 & AT512 folding tools are only provided as individual accessories, and each individual accessory pack includes two shafts: one with circlip and one without circlip which allows the tool to be fitted on the Kitchen Machine with bayonet planet hub fitment or non-bayonet \'circlip type\' planet hub. - AT511: Suitable for the Chef kitchen machines, with a standard size mixing bowl. - AT512: Suitable for Major/Chef XL kitchen machines and the Cooking Chef, with a large mixing bowl. The spatula folding tool is adjustable in height, just like most other mixing bowl attachments for Chef and Major/Chef XL kitchen machines.