Multi-region twin-shaft cutting system for comminuting material, comprising: two shafts (1, 3) which are arranged substantially parallel and are driven in an opposite manner, wherein each shaft (1, 3) is in each case surrounded by a roll body; a multiplicity of supporting elements (9, 11), wherein each supporting element (9, 11) is fitted substantially radially around said roll body, wherein each supporting element (9, 11) preferably has a radial, shaft-like, rounded or angular or edged, circumferential line; a multiplicity of severing elements (17, 19) which are of disc- and / or plate-like design and are each fitted substantially tangentially to the circumferential region of said supporting elements (9, 11); wherein said supporting elements (9, 11) are arranged at a distance around said roll bodies in such a manner that in each case one severing element (17, 19) on one supporting element (9, 11) of said one shaft (1, 3) engages between two directly adjacent supporting elements (11, 9) of said other shaft (3, 1); wherein, for each shaft (1, 3), counter severing elements (21, 23) are fitted in each case between two directly adjacent supporting elements (9, 11) of said shaft (1, 3), on said roll body of said shaft (1, 3), said counter severing elements being fitted in a corresponding manner to said severing elements (17, 19) of said other shaft (3, 1) such that said severing elements (17, 19) of said other shaft (3, 1), on opposite engagement in the intermediate space of said two directly adjacent supporting elements (9, 11) of said one shaft (1, 3), operate counter to said corresponding counter severing elements (21, 23), in a cutting and / or breaking manner, such that said material is comminuted; characterized in that said severing elements (17, 19) of said one shaft (1, 3) are each arranged in corresponding manner to said severing elements (19, 17) of said other shaft (3, 1) such that, on opposite engagement of said severing elements (17, 19) of said shafts (1, 3), a severing element (17, 19) of said one shaft (1, 3) operates in a cutting manner counter to a corresponding severing element (19, 17) of said other shaft (1, 3), where said leading edge of said severing element (17, 19) of said one shaft (1, 3) operates counter to the edge facing away from said leading edge of said other severing element (19, 17). two shafts (1, 3) which are arranged substantially parallel and are driven in an opposite manner, wherein each shaft (1, 3) is in each case surrounded by a roll body; a multiplicity of supporting elements (9, 11), wherein each supporting element (9, 11) is fitted substantially radially around said roll body, wherein each supporting element (9, 11) preferably has a radial, shaft-like, rounded or angular or edged, circumferential line; a multiplicity of severing elements (17, 19) which are of disc- and / or plate-like design and are each fitted substantially tangentially to the circumferential region of said supporting elements (9, 11); wherein said supporting elements (9, 11) are arranged at a distance around said roll bodies in such a manner that in each case one severing element (17, 19) on one supporting element (9, 11) of said one shaft (1, 3) engages between two directly adjacent supporting elements (11, 9) of said other shaft (3, 1); wherein, for each shaft (1, 3), counter severing elements (21, 23) are fitted in each case between two directly adjacent supporting elements (9, 11) of said shaft (1, 3), on said roll body of said shaft (1, 3), said counter severing elements being fitted in a corresponding manner to said severing elements (17, 19) of said other shaft (3, 1) such that said severing elements (17, 19) of said other shaft (3, 1), on opposite engagement in the intermediate space of said two directly adjacent supporting elements (9, 11) of said one shaft (1, 3), operate counter to said corresponding counter severing elements (21, 23), in a cutting and / or breaking manner, such that said material is comminuted; characterized in that said severing elements (17, 19) of said one shaft (1, 3) are each arranged in corresponding manner to said severing elements (19, 17) of said other shaft (3, 1) such that, on opposite engagement of said severing elements (17, 19) of said shafts (1, 3), a severing element (17, 19) of said one shaft (1, 3) operates in a cutting manner counter to a corresponding severing element (19, 17) of said other shaft (1, 3), where said leading edge of said severing element (17, 19) of said one shaft (1, 3) operates counter to the edge facing away from said leading edge of said other severing element (19, 17).