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Ermes Double Roll Trigger Mech for Custom Builds


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Product Description

Mechanism entirely in steel with Ermes system and side line release, Mechanism of the Double Roller line, The mechanism fits perfectly into the MVD handles, it can also be used on Hunt Master and custom wooden spearguns.

Mechanism with patented system, functioning with two rollers, one works in contact with the trigger and is bound to the release lever, the second roller that holds the rod, is bound to the box with a pin and is free to move in an oval hole , this system stabilizes the outgoing rod, the load is distributed evenly, reducing and practically eliminating friction.

The line release interacts with the rod coupling lever with a system that all manufacturers have now recognized as the best system, and adopted worldwide. We are the inventors of this innovation, just as we were the first to adopt rotation fulcrums suitable for reducing the weight of the trigger.

The movement uses a torsion spring.

The box is copied from the original, it follows the curves, to make it we had to build a special mold, and it is obtained from a sheet thickness. 1.5 mm, the components are molded with millesimal precision, the holes are then reworked with centesimal reamers, to ensure perfect rotation, the thicknesses used are 9.5 mm for the coupling lever, 6 mm for the trigger, 3, 5 mm for the line release, All the details are rounded, the line release does not cut the line, the trigger has a special grip that prevents the finger from slipping during the shot.

Tested with 350 kg load. All components are made of AISI 316L stainless steel with the exception of the rod holding roller which is in 17-4.

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