The Faithfull Water Level is a precision levelling tool designed for accurate measurement over distances where traditional spirit levels prove impractical. Utilising the fundamental principle that water always finds its own level, this instrument delivers professional-grade accuracy of 1mm at 10 metres, making it an essential tool for builders, contractors and tradespeople working across multiple rooms or extended distances. Designed for single-handed operation, this water level enables simultaneous measurement of equal heights at two distant points, streamlining workflow on site. The 10-metre graduated tubes are virtually unbreakable and feature vent caps for reliable performance. Easy to set up and simple to use, this low-cost levelling solution eliminates the need for complex equipment when establishing accurate levels in unsighted locations. Ideal applications include room-to-room levelling, wall tiling, guttering installation, landscaping projects, patio construction, driveway lay