|Manufacturer||Von Duprin Exit Devices|
The Von Duprin 88 Wedge Ring 090020 is also used on the Von Duprin 55's. The Wedge Tite Screw applies pressure on the Wedge which expands the Tube Attaching Ring to grip the Cross Bar. Measures 5/8" on the flat edge.
Von Duprin Part # 090020
Old Part # 956520