Technical Specifications
| Description | ER-Collet Holders |
| original-no. | 691-24 |
| collet | ER11 |
| D | 22 |
| L1 | 25 |
| L2 | 46 |
| A | 16 |
| B | 28 |
| C | 49 |
| nut | ER11M |
| machine type | SR10J (Pos T22 + T24); SB12/20R; SB16/20; SR20J/JN; SR32J/JN; SR20 R/II/III; SV20R; SW12RII; ECAS12/20; SR20RIV (Pos T21-T24 verbaut/overlaps T25 - T28) |