Maxi 2.4mm System 2D Plate (T=2.4mm) Screw 2.4mm Self Tapping Screw 2.4mm Locking Screw (Self Tapping) Drill Bit for Locking and Non Locking System 1.9mm Drill Bits 1.9mm Drill Bits 1.9mm Self Drill Bits (Ossotech-pen.drive only )