Product parameter
Material: Aluminum alloy + stainless steel
Processing technology:  CNC machining
Approximate net weight:
15g(long version), 12g(medium version), 8g(short version)
Surface treatmentl:  Anodized + stainless steel primary color

Can be reinforced with a hex wrench
If the screw is obstructed during the tightening process,
the hexagonal wrench can provide help

Not easy to rust
Stainless steel 304 screw, not easy to 
oxidize and rust, corrosion-resistant,

suitable for use in sea water, outdoor ,hurmid and harsh environments