GSL 2 Surface Laser with L-BOXX

•Projects two laser lines that meet on the floor surface to determine flatness •Bright, clear laser line projection allows lines to come together when surface is flat and separate when uneven •Motorized rotary base offers continuous view of floor surface •Versatile battery operation - can be used with either alkaline batteries (included) or Bosch lithium-ion 12 V Max battery pack (not included)