Inon Mega Float Arm S

Buoyancy: 390g (13.8oz) [underwater]
Weight: 219g (7.7oz) [air]
Outer diameter: 97mm (3.8in)
Full length: 174mm (6.9in)
Effective length: 150mm (5.9in)
Compatible accessory:
　Lens Holder for Float Arm, Shoe Base Spacer　

---