Mold (1; 201), in particular concrete mold for producing molded bodies from concrete in a molding machine comprising - a mold frame (51; 251) and a mold insert (101; 301), - wherein at least one mold cavity (109; 309) is formed in the mold insert (101; 301), - wherein the mold insert (101; 301) is received into a receiving space (59; 259) of the mold frame (51; 251), - wherein the mold insert (101; 301) comprises an insert body (101a; 301a) and at least two rows of teeth (103, 104; 303), wherein two of the rows of teeth (103, 104; 303) are arranged on the insert body (101a; 301a) opposite one another and in each case facing the mold frame (51; 251), characterized - in that the mold frame (51; 251) comprises a frame body (51a; 251a) and at least two rows of teeth (53, 54; 253), wherein two of the rows of teeth (53, 54; 253) are formed on the frame body (51a; 251a) opposite one another and in each case facing the mold insert (101; 301), - in that recesses (107a - 107c, 108a, 108b; 307a, 307b) are each formed on the insert body (101a; 301a) of the mold insert (101; 301) between teeth (103a - 103d, 104a - 104c; 303a, 303b) of its rows of teeth (103, 104; 303), in which recesses teeth (53a - 53c, 54; 253a, 253b) of the rows of teeth (53, 54; 253) of the frame body (51a; 251a) in each case engage in the assembled state of the mold (1; 201), and - in that recesses (57a - 57d, 58a, 58b; 257a, 257b) are in each case formed on the frame body (51a; 251a) of the mold frame (51; 251) between the teeth (53a - 53c; 54; 253a, 253b) of its rows of teeth (53, 54; 253), in which recesses the teeth (103a - 103d, 104a - 104c; 303a, 303b) of the rows of teeth (103, 104; 303) of the insert body (101a; 301a) in each case engage in the assembled state of the mold (1; 201). - a mold frame (51; 251) and a mold insert (101; 301), - wherein at least one mold cavity (109; 309) is formed in the mold insert (101; 301), - wherein the mold insert (101; 301) is received into a receiving space (59; 259) of the mold frame (51; 251), - wherein the mold insert (101; 301) comprises an insert body (101a; 301a) and at least two rows of teeth (103, 104; 303), wherein two of the rows of teeth (103, 104; 303) are arranged on the insert body (101a; 301a) opposite one another and in each case facing the mold frame (51; 251), - in that the mold frame (51; 251) comprises a frame body (51a; 251a) and at least two rows of teeth (53, 54; 253), wherein two of the rows of teeth (53, 54; 253) are formed on the frame body (51a; 251a) opposite one another and in each case facing the mold insert (101; 301), - in that recesses (107a - 107c, 108a, 108b; 307a, 307b) are each formed on the insert body (101a; 301a) of the mold insert (101; 301) between teeth (103a - 103d, 104a - 104c; 303a, 303b) of its rows of teeth (103, 104; 303), in which recesses teeth (53a - 53c, 54; 253a, 253b) of the rows of teeth (53, 54; 253) of the frame body (51a; 251a) in each case engage in the assembled state of the mold (1; 201), and - in that recesses (57a - 57d, 58a, 58b; 257a, 257b) are in each case formed on the frame body (51a; 251a) of the mold frame (51; 251) between the teeth (53a - 53c; 54; 253a, 253b) of its rows of teeth (53, 54; 253), in which recesses the teeth (103a - 103d, 104a - 104c; 303a, 303b) of the rows of teeth (103, 104; 303) of the insert body (101a; 301a) in each case engage in the assembled state of the mold (1; 201).