Ryobi cross-line lasers are designed to make measuring easy when it comes to DIY or crafting around your home. The laser emits vertical and horizontal lines simultaneously for up to 15 metres allowing you to easily measure a room or wall or to ensure a shelf or table is level. What's more, Ryobi lasers are straight forward to use with a simple on and off switch making them the perfect addition to any Ryobi tool collection.