It is made of 304 Stainless steel which can work well and ensuring longevity in wet environment. Smooth surface provides you comfortable hand feeling. Dimension:96mm length Package Content:4 pieces with stainless steel screws Wide Application:It is good for securing garden gate,cabinet doors,windows,and others.If you want the window not to close completely,this hook can also fasten the door firmly with the other side., Weight: 0.661386786 Pounds, Manufacturer: weitl