LA VIE 1pc 12mm 12.7mm Shank T-Slot Cutter Router Bit Set Hex Bolt Key Hole Bits T Slotting Milling Cutter for Wood Woodworking LA VIE 1pc 12mm 12.7mm Shank T-Slot Cutter Router Bit Set Hex Bolt Key Hole Bits T Slotting Milling Cutter for Wood Woodworking. Sale price : $2.93 Category : Tools