MATC tridents for threaded shafts (7 x 100) are available in different sizes and widths
They are available in stainless steel or titanium.
The three small rod barbs at the extremity of each point, perfectly streamline will open and (more info)
MATC stainless steel tridents are also available as shafts in different lengths, sizes and widths.
For 50 cm, 75 cm and 90 cm (approx. 20", 30", 35") spearguns.
Very convenient for rock fishing or to catch fish hiding (more info)