Nọmba awoṣe: GF-1530 / GF-1560
Irin gígé tí ó nípọn tó ga jùlọ ti irin erogba 14mm, irin alagbara 6mm, aluminiomu 4mm, irin galvanized 4mm, idẹ 4mm, bàbà 3mm
