| Specification/Model | CH-519B |
| Seat high adjustable from xxx to xxx mm | 429-523 (100/5#black gas lift) |
| Seat depth xxx mm ± 30 mm | 430±10 |
| Seat width xxx mm ± 30 mm | 505±10 |
| Chair with backrest and armrests. | Yes |
| The armrests of the chair are adjustable in height and covered with padded polyurethane. | No |
| Chair on castors. The castors of the chair are suitable for hard surfaces (rubberised). | Yes |
| Height adjustment of the chair by pneumatic lifting mechanism. | Yes |
| The bridge mechanism of the chair seat locks the working position, the synchronous mechanism locks the tilt of the chair in xxx positions. | 1 position |
| The force of the chair's swivel stiffness is set with a special knob according to the weight of the person. | Yes |
| The star (with five castors) and the armrests of the chair made of rigid plastic, plastic-coated metal or other equivalent material. | Yes |
| Chair seat and backrest padded and upholstered in a tapestry with a resistance to abrasion of at least 100 000 cycles on the Martindale scale. | Yes |