The Carlisle Brass DK8 roller arm stay is commonly used to restrict the opening of bottom hung fan light windows & traditional side hung windows. It is suitable for light to medium weight windows. Contemporary Chrome Finishes The DK8 roller arm window stay is available in either a traditional polished brass finish or contemporary chrome finishes, both polished & satin chrome. Good quality chrome finishes are virtually maintenance free & only require a periodical clean with a non-abrasive wax polish to maintain the original appearance. Solid Brass Roller Unlike many cheaper vers...