The preferred choice of most photographers!
| Model | NS027-3 | NS026-9 | NS026-7S | NS026-9S |
| Size | 1.8 inch | 9.0 inch | 7.0 inch YS | 9.0 inch YS |
| Material | Aluminum Alloy | |||
| Color | Black | Black and Rose gold | ||
| Process | Hard Oxidation, Anti- Corrosion | |||
| Design | Geometric Aesthetics Structure, Light&Tough | |||
| Weight | 41.4g | 68.3g | 57.8g | 68.3g |

▪Ball diameter is about 2.5cm, the O-ring is made of EPDM rubber
▪This dual ball arm is made of aluminum alloy CNC machine, lightweight and durable.
▪Use it in diving lighting systems to connect flash light, flashlight or other lighting system accessories
▪The size is universal and suitable for most brands of diving equipment products