Material: Steel and cold roller sheet, screws head can be in cross recessed pand head, ring hook, angle hook, eyelet Material: Steel and cold roller sheet, screws head can be in cross recessed pand head, ring hook, angle hook, eyeletApplication: fasten mirrors, pictures, cabnets, curtain-drapeshelf brackets to wall of plaster over wood lath or metal lath wall board, gypsum or cinder block hollow ...