This item is a precise measuring device which enables quick measuring and transferring of angles. It is an excellent device for industrial applications which involve the definition of the exact angles, e.g. for niches and bays, sloping roofs and handrails. You must have it if you are a building contractor, civil and construction engineer, building project administrator.
A great DIY tool for measuring the exact angles while renovating your home or office by yourself. Certainly it will help you to do the renovation works better where accurate angle measuring is important!