Easy to plug into the speargun rubber and tie a constrictor knot on the band. Thread one end of band into the muzzle then thread the other end to your wishbone of choice (i.e. articulated or spectra style).
Made to Replace Euro Style Bands from Companies like: Cressi, OMER, Sporasub, Picasso, Beuchat, Esclapez and more.
The fittings of Grivory GV5H feature an exclusive wrench fitting shape to make them easier to screw and unscrew.