HT-30010.300 Offset T-Slot with Flap Reach 0.300″ T-Slot 0.190″ HT-35010.350″ Offset T-Slot with Flap Reach 0.350″ T-slot 0.190″ HT-40010.400″ Offset T-Slot with Flap REach 0.400″ t-slot 0.190″ HT-4501 0.450″ Offset T-Slot with Flap reach 0.450″ t-slot 0.190″ HT-4601 0.460″ Offset T-Slot with Flap reach 0.460″ t-slot 0.190″