The dw083k xj from dewalt is a self levelling line laser ideal for a wide range of measuring and levelling applications featuring three laser lines above below and to the front for easy measuring in all directions the dw083k works to an accuracy of to plusmn02 mmm and surface angle of 4 degrees easy to use with a simple one button operation the dw083k has a magnetic bracket for easy mounting and is powered by aa batteriesapplication examples metal track installation curtain wall