| Manufacturer | Ganter (Otto Ganter GmbH & Co. KG) |
| Standard part | GN 521 |
| Order designation | GN 521-200-B20-A |
| Manufacturer designation (German) | Scheibenhandräder, Kunststoff, Buchse / Griffachse Stahl |
| Order unit | Piece |
The dimension table and technical drawing for this version are available on request.