Model NO.                       Number of ball rows
LMTP6                                              4
LMTP8                                              4
LMTP10                                            4
LMTP12                                            4
LMTP13                                            4
LMTP16                                            5
LMTP20                                            5
LMTP25                                            6
LMTP30                                            6
LMTP35                                            6
LMTP40                                            6