The 600 x 400 mm 72-130 roof angle bracket by NEO is a 600 x 400 mm tool for determining right angles. It has an engraved graduation on its surface, marked every 2 mm. It is resistant to abrasion. The angle bracket also has a table for determining the length of the rafters and a table with given cutting angles, depending on the value of the pitch per metre of rafter projection. This tool from the NEO brand is designed for the building site.