The variable geometry system confers to EXTREME Series 2 ISOTRONIC the winning features of a variable chamber machine and the advantages of fix chamber, for these reasons it can be definitively named a hybrid round baler. Right from the start, the product can be baled with up to 210 bar like in a variable chamber, but also to create an empty space by lifting the first rocker arm, allowing the soft heart and the classic star shape to form, as in a fixed round baler.