PINI-KAY briquettes are a kind of solid fuel alternative to ordinary wood or coal. Due to their correct shape and the same size they are also called eurodrives. They are suitable for combustion in fireplaces, stoves, solid fuel boilers and other solid fuel heaters. Modern fuel briquettes, which are compressed walnut shells. By their manufacture chemical gluing substances are not used, therefore at combustion exclusively natural and natural elements get into atmosphere. Our briquette has a small amount of oils, makes its surface pleasant to touch. Due to the presence of a low amount of volatile substances (oils) in the nut shell, the combustion process takes place mainly on the surface of the briquette, resulting in a particularly high flame of yellow, warm color, pleasant to the eyes of man.