Tesoro Tiger Shark

The Tiger Shark was Tesoro's submersible VLF, and it filled the gap the pulse machines left: real discrimination underwater. On a beach full of bottle caps and lead that matters, because a PI makes you dig everything. It ran a selectable frequency with salt and fresh water modes, was rated for full submersion, and it stayed light enough to swim with. Machines with 8 and 10 inch coils are collected here.