3.9"/10cm Aluminium double one inch ball arm

Aluminium double one inch ball joint arm section is 3.9" long and is used to connect various components of flash/strobe/video light system.

Space between two rubber rings is 7.6cm/2.9in

Materials: Corrosion resistant aluminium allow (hard anodized)

Length: 3.9"/10cm

Weight: 1.9oz/56g

Ball size: 1"/25mm