LL100N-K Laser Level w/ HR320 Receiver, C59 Clamp & Carrying Case The Spectra Precision LL100 Laser Level is a complete one man leveling crew in a case. A complete system is contained in a single hard-shelled, portable carrying case - the laser, receiver, clamp, tripod, and grade rod - for easy transportation, storage, and use. A standard case with laser and receiver only is also available. Automatic, self-leveling ensures fast, accurate setups. Easy, one-button operation requires minimal training. The LL100 Laser Level is capable of handling a wide variety of elevation control applications. Versatility is added with single-axis manual slope capability for setting out driveways, ramps, and residential drainage lines. It is rugged enough for the toughest job site and designed to survive a 3 foot (1 m) drop onto concrete.