Nowadays many public works projects require security measures, concerning to granite they ask that the edges are rounded and bevelled. For that we are prepared for this type of finish. The chamfer cutting can be straight or rounded. In case of straight finish we ask the measure in millimeters, if the customer asks the rounded finish we request the radius of the desired measure for production of curb stones. With the ability of newer granite processing machines go nowadays you can do almost all kinds of objects and finishes with natural stones. Stone manufacturers deal nowadays with all kinds of orders, what makes it different from other types of material? The resistance and durability of granite. But granite is not all equal or identical, quality granite differs greatly from one country to another and even within the same country the quality and durability of granite differs greatly. How can we test the quality? Through analyzes certified to granite. In Portugal the quarries of granite suppliers are constantly evaluated and subject to quality control. Kerb definition :a line of stone or concrete forming an edge between a pavement and a roadway, so that the pavement is some 15 cm above the level of the road.