Brand: BGNing
Material: Carbon fiber + Aluminum alloy
Color: Carbon fiber tube is black, Aluminum alloy has black, red, blue three color opitons.
 
The outer dimensions of the product about: 
D20*152mm, D20*117mm, D20*203mm, D20*228mm, D20*228mm, D20*254mm, D20*279mm, D20*304mm, D20*330mm
 
Specifications: 
1. Outer diameter: D20mm
2. Length: (distance between two O-rings) 5 inches, 6 inches, 7 inches, 8 inches, 9 inches, 10 inches, 11 inches, 12 inches.
3. Product weight: about 53g, 55g, 57g, 59g, 61g, 63g, 65g, 67g.
4. Product buoyancy: about 39g, 47g, 55g, 63g, 71g, 79g, 87g, 95g.
5. The net buoyancy of the product is about 14g, 8g, 2g, 4g, 10g, 16g, 22g, 28g.
 
Application: 
Suitable for diving photography, single and dual hand-held brackets;
Suitable for micro-single, SLR camera waterproof case, including Canon, Sony, Nikon, Panasonic, Olympus etc..
Also suit for Sports camera including GoPro, yi, EKEN or DJI Osmo Action cameras.
For extending the expansion device.
 
Features: 
1. New upgraded double-ball head hollow design to reduce its own weight;
2. Double steps increase the sense of hierarchy;

3. Ultra-light extension lamp arm, under water.