Fluke CXT1000 Universal extreme hard carrying case with configurable foam inserts. Virtually indestructible, the extreme hard case has innovative features for unmatched strength and durability. Offers maximum protection for your Fluke tools and accessories against high impact, vibration or shock. O-ring sealed, waterproof up to a depth of 3 feet. Airtight and built to withstand the most extreme conditions. Great for airline travel with an automatic pressure equalization valve for changes in atmospheric pressure. Spring-release patent pending latches lock in place. Lock holders are great for use with pad locks for added security. Customizable, 2-piece sheeted foam offers an extremely tailored, custom fit for your Fluke tools and accessories. Stackable, finger groove on each side for easy pick up and carry.