Von Duprin 050439 Lever Arm Kit for 88 Series Left Handed Rim / Mortise / Vertical Rod Exit DeviceThe Von Duprin Lever Arm Kit for 88 Series Left Handed Rim Mortise Vertical Rod Exit Device is a commercial mortise exit device with function: Rod Exit Device, material: Stainless Steel. Shared product specifications apply across available finish or configuration variants where applicable. Lever Arm Kit for 88 Series Left Handed Rim Mortise Vertical Rod Exit Device Brand: Von Duprin Product Type: Mortise Exit Device Function: Rod Exit Device