Comparison
| Model | Specification | Total Length |
| 00-SA-DC | Strong, flat edges, thick | 120 mm |
| 1-SA-DC | Strong, straight, fine | 120 mm |
| 2-SA-DC | Flat, sharp fine tips | 120 mm |
| 2A-SA-DC | Flat accurate round tips | 120 mm |
| 2AB-SA-DC | As 2A, curved | 120 mm |
| 3-SA-DC | Very sharp, fine | 120 mm |
| 3C-SA-DC | Very sharp, fine | 110 mm |
| 4-SA-DC | Extra fine tips | 110 mm |
| 5-SA-DC | Extra fine tips, superior finish | 110 mm |
| 7-SA-DC | Very fine, curved | 120 mm |
| SS-SA-DC | Extra fine tips | 140 mm |
