Leatherman piranha 2 pocket tool clam pack description the piranha is a single piece multi purpose pocket tool constructed from heat treated 100 percent stainless steel a built in rubber bit holder seures full size bits like the fish for which its named the piranha pocket tool will help you get the job done quickly tightening screws loosening bolts prying things open and popping the top on your favourite beverage and since youll barely notice this super slim multi tool in your pocket