The slide-ring is a fundamental particular in the hydrodynamics of the shot along with the penetration properties of the spear-shaft.
The new Microspeed metal slide ring is fruit of long studies geared toward reducing hydrodynamic friction as well as maintaining the highest shot precision. Created with a method known as Microfusion or “lost wax technique” in 304 stainless its reduced dimension and two wings are used for slotting the shooting line at a 30 degree entry. This innovative solution avoids the concern of having to keep the correct shooting line angle while fighting a fish because it places the entire load on the slide ring itself rather than the holes of the slide ring. This prevents any stress to the shooting line. Also thanks to the shape of the slide ring, the stop washer as well as the spring typically employed in pneumatic speargun shafts, have been replaced reducing the profile considerably.
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