| Model | Name | Specification | 
| HC2020.1 | Ear bone chisel, round blade | Head width 2.6mm | 
| HC2020.2 | Ear bone chisel, round blade | Head width 2.8mm | 
| HC2020.3 | Ear bone chisel, round blade | Head width 3mm | 
| HC2020.4 | Ear bone chisel, round blade | Head width 3.2mm | 
| HC2020.5 | Ear bone chisel, round blade | Head width 3.4mm | 
| HC2020.6 | Ear bone chisel, round blade | Head width 3.6mm | 
| HC2020.7 | Ear bone chisel, round blade | Head width 3.8mm | 
| HC2021.1 | Ear bone chisel, flat blade | Head width 4mm | 
| HC2021.2 | Ear bone chisel, flat blade | Head width 4.4mm | 
| HC2021.3 | Ear bone chisel, flat blade | Head width 4.8mm | 
| HC2032.1 | Ear bone chisel, flat mouth | Head width 5mm | 
| HC2032.2 | Ear bone chisel, flat mouth | Head width 4mm | 
| HC2032.3 | Ear bone chisel, flat mouth | Head width 3mm | 
| HC2033.1 | Ear bone chisel, round mouth | Head width 4.5mm | 
| HC2033.2 | Ear bone chisel, round mouth | Head width 4mm | 
| HC2033.3 | Ear bone chisel, round mouth | Head width 3.5mm |