Are you looking for a professional, yet affordable plumb bob? Are you in search of a sturdy, trustworthy tool that can do multiple works at once? If yes, look no further Our professional plumb bob must meet you needs. It is one of the best choices for you. Features - Color: Blue. - Size: 10.00X5.00X1.00cm/3.93X1.97X0.39 inch. - Material: Steel. - This plumb bobs is for checking vertical building structures - It is for plumbers, joiners, builders, plasterers, decorators etc. - Precision machined for perfect balance and treated for a lasting finish. - Suitable for furniture decoration, building foundation level measurement, vertical detection, etc. - Falling line, also known as plumb, is mainly used to measure the verticality of objects, and is more common in construction engineering.