| Number | Description | Note |
| C1001 | Otoscopy sheath |
| Number | Description | Note |
| C20344 | Rubber mastoid mallet |
| Number | Description | Note |
| C20071 | Small triticeous head | width 2mm |
| C20072 | Large triticeous head | width 3mm |
| Number | Description | Note |
| C20081 | Mastoid rongeur forceps | head width 6mm |
| C20082 | Mastoid rongeur forceps | head width 5mm |
| C20083 | Mastoid rongeur forceps | head width 6mm |
| C20085 | Mastoid hemostatic forceps | head width 5mm |
| C20086 | Mastoid hemostatic forceps | head width 4mm |
| Number | Description | Note |
| C2010 | Beyer bone rongeur |
| Number | Description | Note |
| C2011 | Mastoid roneur forceps | sharp head |
| C2012 | Mastoid roneur forceps | round head |
| Number | Description | Note |
| C20201 | Ear bone chisel, round blade | head width 2.6mm |
| C20202 | Ear bone chisel, round blade | head width 2.8mm |
| C20203 | Ear bone chisel, round blade | head width 3.0mm |
| C20204 | Ear bone chisel, round blade | head width 3.2mm |
| C20205 | Ear bone chisel, round blade | head width 3.4mm |
| C20206 | Ear bone chisel, round blade | head width 3.6mm |
| C20207 | Ear bone chisel, round blade | head width 3.8mm |
| Number | Description | Note |
| C20211 | Ear bone chisel, flat blade | head width 4.0mm |
| C20212 | Ear bone chisel, flat blade | head width 4.4mm |
| C20213 | Ear bone chisel, flat blade | head width 4.8mm |
| Number | Description | Note |
| C20321 | Mastoid chisel,145mm | head width 5.0mm |
| C20322 | Mastoid chisel,145mm | head width 4.0mm |
| C20323 | Mastoid chisel,145mm | head width 3.0mm |
| Number | Description | Note |
| C20331 | Mastoid gouge, 145mm | head width 4.5mm |
| C20332 | Mastoid gouge, 145mm | head width 4.0mm |
| C20333 | Mastoid gouge, 145mm | head width 3.5mm |