Bosch pll 360 totally easy totally straight level all aroundthe bosch pll 360 projects a 360 degrees horizontal laser line all around a room and forward facing 120 degrees cross laser line it is the perfect tool to help hang pictures do tiling on the wall put up shelves or curtain rails align kitchen cupboards and to hang wallpaper straightlevelling on all four walls has never been this easy thanks to the innovative laser technology of the bosch pll 360 you can project a horizontal las