The dw085k xj from dewalt is a self levelling line laser ideal for a wide range of measuring and levelling applications featuring five laser lines above below front left and right for easy measuring in all directions the dw085k works to an accuracy of to plusmn02 mmm and surface angle of 4 degrees easy to use with a simple one button operation the dw085k has a magnetic bracket for easy mounting and is powered by aa batteriesapplication examples metal track installation curtain