It is wonderful to be the skidproof flooring or paving tile. The length, the width of the line can be different and decided by the hammer. As it is finished by the hammer so it must stand the hammer knock, the thick should up 3cm. It is much beautful than by machine made. Looks like the beard of dragon eyes, so named longan chopped. When it is raining or snowing, the advantages of this process method are showed clearly. It is especially for the old men and children. The size can be: 10*10*3cm,15*15*3cm,20*20*3cm,30*30*3cm,50*50*3cm,and up 50 and thickness up 3cm.