Lefton half brick 6.5*5.5*21.5

Lefton semi 6.5\*5.5\*21.5 brick is one of the oldest types of brick production, which is called gray brick or rough brick or pressure brick, which is made with the dimensions of 22 x 10 x 5.5 or with the same length and width, but with a thickness of 4 or 3 cm, because when making clay by hand, the corners of the mud were pressed in the mold with a finger, this brick became known as pressure brick.