PRODUCT: K GROOVE INSET FRICTION HINGE WITH INWARD OPENING WINDOW MODEL NO: E15-A0-18 COLOR: ORIGINAL TYPE：89° Hinge LOADING CAPACITY: LOADING 25KGS PACKING; 1 SET PER BAG，50BAGS PER CARTON MATERIAL: SUS304 AND PLASTIC APPLICATION: 23MM INSET CASEMENT WINDOWS，23MM INSET INWARD OPENING WINDOW，23MM INSET OUTWARD OPENING WINDOW，23MM INSET ADJUSTABLE CONCEALED HINGE FRAME SLOT SIZE：27*23*3MM FOR MORE INFORMATION， PLS CONTACT SALLY 153833708@QQ.COM