Chris l might have the answer... Now l said might ! The testing shall be done by the Mondy crew. There are limted numbers. And its based on a lure that ... say no more you get the picture. Its a wooden lure. Dives to 2-4 ft Not on the market . You will have to ajust the buoyancy to suit how you want it to float, rise, fall Whatever .And l really do appreciate the lure craftmans efforts in designing this lure