Kirby Morgan 510-787 Port Whisker Wing SpiraKut This unit was has a

This unit was has a built in low pressure alarm that will sound if the air flow falls under a specific pressure

It is also available with a heavy duty quick change assembly

The wavy pattern cut from the top of the blade (created by a fireman from Sweden) and along the inside of the handle let you place a piece of rope (between the half-open blade and handle) and scissor the blade shut- especially convenient for cutting rope in-and-around flesh without having to fully open/expose the knife's blade

Spyderco's Rescue knives are long favored by seafarers and the design has since been embraced by commercial divers

Kirby Morgan 510-787 Port Whisker Wing SpiraKut This unit was has aKirby Morgan 510 787 Port Whisker Wing