| Shaft length | 35mm |
| meet the standard | GB/T1731 |
| Shaft rod 1 | Φ15mm |
| Shaft rod 2 | Φ10mm |
| Shaft rod 3 | Φ5mm |
| Shaft rod 4 | Φ4mm |
| Shaft rod 5 | 3 * 10Mm, radius of curvature 1.5mm |
| Shaft rod 6 | 2 * 10Mm, radius of curvature 1mm |
| Shaft rod 7 | 1 * 10Mm, radius of curvature 0.5mm |
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;