... , house , building etc. 2.Material: Aluminium& Plastic 1.Window lock use for sliding window. Suitable for the office, house , building ... .White & black colour6.Finishing: coating7.It is automatic to lock and open8.types there are many different types with various sizes ... can make moulding ourselves.we can supply you hook lock,crescent lock,moon shape window lock,window hinge,window handle,window roller