The Piranha is equally at home on your key chain as it is 1000' feet off the deck. The serrated blade is made from surgical quality 440-C stainless steel and even at a scant 20 g it's tough enough to handle years of use and abuse.
The smartest 20 grams on your rack
Smaller than a carabiner - you won't even know it's there
Carbiner hole prevents unwanted opening
Bottle opener for send beers
Serrated 2-inch 440-C stainless steel locking blade