3T-A01 Screw Nick Eraser: Use for smoothing the screw tip end after cut.
3T-A02-1 Nut Seating Base Maker: For creating a seating base for the Screw Nut when used for a high base curve lens. These ensure the nut was tightening at a good holding position without strengthen or damaged the lens.
3T-A03 Counter Shunt: To make the edge of the hole become slight bigger by removed the edge of the hole. These ensure the hinge of the temple able to insert into the hole without gaps, due to the welding parts of the hinge.
Hand Driller 3T-A04 for holding the bits.