This is a knife that is Rugged & Heavy Duty. It could most likely handle any job you could throw at it from big to small.This knife is waterproof and designed to be easy to hold onto when your hands are wet and your working with rope that is wet. The knife is a little bulky to store and it is a little stiff to open the blades. But the blades stay in place once you get the knife open. This is the sort of knife you give people who are quick to fight and you want to make it difficult for them to open the blade when they are drunk. The closed size is 4 inches, t is a knife with a bottle opener, tin opener and screw driver, The hardness rating of the blade is 600- 700 Vpn.