Universal Glass Traders manufactures Handed Stay for Window Applications. Universal Glass Traders offers different types of insulation glass, coated glass, insulating glass components, window hardware, friction stay hinges, handles, multi locking systems, spider fittings & accessories, patch fittings, floor spirals etc. Handed Stay for Window Applications offers improved security and weather sealing through the use of a nylon reduced friction end cap. Handed Stay for Window Applications is ideal for smooth closure and higher performance for window applications of all sizes.