| Brand | Yato |
| Entity responsible for this product in the EU | TOYA S.A.More |
| Series | GRD |
| Size | 21 mm |
| Ring wrench type | dodecagonal |
| Overall length | 290 mm |
| Ring wrench width | 43 mm |
| Ring wrench thickness | 13.6 mm |
| Open end wrench width | 44.9 mm |
| Open end wrench thickness | 9.8 mm |
| Material | CrV |
| Surface finish | chrome plated, polished, induction hardened |
| Head coating | polished |
| Hardness | 42-49 HRC |
| Ratchet | yes |
| Number of teeth | 72 |
| Rotation switch | yes |
| Application | workshop |
| Symbol | YT-1664 |
21 mm ratcheting combination wrench.
Flat-end wrench with ratchet and direction switch. Designed for automotive workshops and service shops.
- made of high quality CrV steel
- chrome-plated, polished, induction hardened surface
- ratchet with 72 teeth and 12-angle eyelet