| Name | RRS BH-40 |
| Type | Ball Head |
| Stiffness About Vertical Axis | 5945 +/- 36 Nm/rad |
| Stiffness About Radial Axis | 3193 +/- 9 Nm/rad |
| Retail Price | $405 |
| Weight | 1.07 lbs (0.485 kgs) |
| Manufacturer weight rating | 18 lbs (0.22kgs) |
| Maximum Height | 3.1 in (7.9 cm) |
| Base Diameter | 2.1 in (5.3 cm) |
| Ball Diameter | 40 mm |
| Tension Control | yes |
| Panning Lock | yes |
| Quick Release | Arca Clamp |