| Name | Sirui K-20X |
| Type | Ball Head |
| Stiffness About Vertical Axis | 5428 +/- 22 Nm/rad |
| Stiffness About Radial Axis | 2765 +/- 13 Nm/rad |
| Retail Price | $130 |
| Weight | 0.87 lbs (0.395 kgs) |
| Manufacturer weight rating | 55 lbs (0.18kgs) |
| Maximum Height | 3.7 in (9.4 cm) |
| Base Diameter | 2.1 in (5.3 cm) |
| Ball Diameter | 38 mm |
| Tension Control | yes |
| Panning Lock | yes |
| Quick Release | Arca Clamp |