Kalango believes in the authentic sound of Brazil. The drumheads have a strong influence in sound. If you want to get the most authentic sound on your drum, we recommend heads from Brazilian manufacturers. Check out the common Brazilian brands and details about the different types of heads. All sizes are in inches. If you are not sure about the size of your instrument, divide the inner diameter of the tension hoop in cm by 2,54 to receive the right site in inches.