PRODUCT: HEAVY DUTY CONCEALED HINGE FOR ALUMINUM WOOD WINDOW MODEL NO: E07-A0-18 COLOR: ORIGINAL TYPE：89° Hinge LOADING CAPACITY: LOADING 60KGS PACKING; 1 SET PER BAG，50BAGS PER CARTON MATERIAL: SUS304 AND PLASTIC APPLICATION: ALUMINUM WOOD CASEMENT WINDOWS， ALUMINUM WOOD INWARD OPENING WINDOW，ALUMINUM WOOD OUTWARD OPENING WINDOW