Hilti Green Line Laser Level PM 2-LG (2098521) | eBay
Firecore Laser Level Self Leveling 2x360 Green Beam Dual Plane Leveling and Alignment Laser Tool for Construction and Picture Hanging, Magnetic Pivoting Base Included(F92T-XG) - - Amazon.com
PM 2-LG Green line laser - Line & Point Lasers - Hilti USA