|  |  |  |  | 
|  |  |  |  |  |  | 
|  | 
|   | groove RW | c | L | s | stock no. | 
| mm | mm | mm | mm |  | 
| 3 | 10 | 18 | 1,0 | 308900003 | 
| 4 | 11 | 20 | 1,0 | 308900004 | 
| 5 | 13 | 21 | 1,0 | 308900005 | 
| 6 | 16 | 28 | 1,2 | 308900006 | 
| 7 | 17 | 31 | 1,2 | 308900007 | 
| 8 | 19 | 33 | 1,4 | 308900008 | 
| 10 | 24 | 38 | 1,9 | 308900010 | 
| 12 | 27 | 42 | 2,0 | 308900012 | 
| 14 | 33 | 51 | 2,2 | 308900014 | 
| 16 | 37 | 60 | 2,5 | 308900016 | 
| 18 | 41 | 67 | 4,0 | 308900018 | 
| 20 | 46 | 73 | 4,0 | 308900020 | 
| 22 | 49 | 78 | 5,0 | 308900022 | 
| 24 | 55 | 93 | 5,0 | 308900024 | 
| 28 | 67 | 105 | 6,0 | 308900028 |