| Size | Yellow (Small) |
| Length | 21mm |
| Brand | DENTSPLY |
| Unit Type | Unit |
| Model | W+ Taper |
| Country/Region Of Manufacture | Switzerland |
The Small 21/06 file has a fixed taper of 6% over its active portion. Fortuitously, the Primary 25/07 file is generally the only file required to fully shape virtually any given canal. Reverse helix; semi-active and modified guiding tip.