Freud Key Hole & T-Slotting Bits Freud Key Hole & T-Slotting Bits 1-1/8 Dia X 3/8 X 1/2 SH Slot Wall Bit 50-522 $49.00 $43.99 On Sale! FR52-522 View Cart 1-3/8 Dia X 1/2 X 1/2 SH Slot Wall Bit 50-524 $59.00 $46.49 On Sale! FR52-524 View Cart