S Series Pob Zeb Diamond Sib Tsoo Khau yog qhov tshiab pob zeb diamond sib tsoo ntu, uas siv cov thev naus laus zis tshiab.Cov qauv yog ruaj khov dua, thiab cov ntu yog nruj, haum rau siv rau ntau yam hardness hauv av.