Refer to the table below to find the proper series of your DA Collet
| SERIES | RANGE | D | L |
| DASUPRA | 1/32 - 5/32 | .268 | .64 |
| DA300 | 1/64 - 1/4 | .375 | 1.00 |
| DA200 | 1/64 - 3/8 | .539 | 1.19 |
| DA100 | 1/64 - 9/16 | .769 | 1.44 |
| DA180 | 1/64 - 3/4 | 1.035 | 1.64 |
| DA400 | 3/32 - 1" | 1.455 | 2.01 |
