The Ludlow Foundries bulb end casement stay has a matching casement fastener and is a classic black antique design.  Black stays and fasteners can be seen in many country homes and cottages and are ever popular in traditional interiors. 3 Stay Lengths Available The Ludlow bulb end stay is available in the usual 3 lengths; 8" (203mm), 10" (254mm) and 12" (305mm).  Generally, the choice of stay is a subjective decision, as far as which length looks best on the window. However, as a rule of thumb; the stay should be about 50% to 60% of ...