Robust and reliable. The No. 10 level series, a market leading product range for more than 15 years. Conti- nuous development ensures the No. 10 is up-to-date and suitable for all levelling applications. Suitable for builders, engineers and surveyors. Trades and Tasks: For all levelling tasks: · Building and civil engineering · Landscape gardening and architecture · Interior works · Project planning. Features: · Nitrogen filled to prevent telescope condensation · Bubble reading prism for convenient observation of bubble at eye level · Optical sight for fast alignment to target · Robust metal housing for protection against damage · Suitable for both flat and domed head tripods.