What we understand by performance is the efficiency of the clamp in transmitting the tightening torque applied via the screw to the band of the clamp. The more efficient the clamp, the better the performance. The Polar Diagram test is a graphic representation of this, measuring the performance of the clamp by indicating the force which the clamp exerts on eight defined points of the band, called sectors. When there is a homogeneous distribution of pressure around the band, this indicated that the clamp distributes pressure evenly when tightened around the hose.