Wedgeless This range of innovative quality window fasteners from Yale is for use with aluminium or uPVC windows. This unique window fastener has the 'wedge' incorporated as a folding flap attached to the base of the handle. Aria Confix Aria VentingThe Aria Venting Wedgeless Fastener is both unique and in… Wedgeless Aria Wedgeless Deluxe Wedgeless Handle