RUBI set squares are the perfect complement, for both builders and for ceramic tile fitters. The dimensional accuracy and rigidity of the RUBI set squares are their seal of quality. RUBI set squares are made of bichromate steel profiles, with a section measuring 40 x 20 mm. Each set square is machined as a unit; thus, RUBI guarantees that construction professionals have an accurate and robust tool available to them. RUBI set squares are synonymous with quality and reliability. They are available in 3 sizes: 40, 60 and 80 cm., perfectly meeting all the needs of professionals in this industry worldwide. The RUBI brand is known for the great durability and quality of its tools. For more than 65 years, RUBI has only manufactured products of high durability and strength, to give the best performance in the toughest working conditions and adapting to the demands of each market. In addition, as part of the strategy, RUBI is continuously researching according to the evolution of materials and based on the requirements received by leading ceramic tile manufacturers worldwide, 30,000 RUBI dealers and more than 40,000 end users registered in Club RUBI. Owing to all of these factors, RUBI offers professional ceramic tile fixers the most comprehensive and suitable range of tools on the market. Everything that you need for all phases of the ceramic tile fitting process. RUBI is now present in over 120 countries, thanks to our network of sales offices, subsidiaries and authorized dealers. For this reason we make it easy for users around the world to find our tools and spare parts .