This package connects to the rods on the Dorma 9400 Surface Vertical Rod Devices. Plate measures 3/4 x 1/2 inch, finger sticks up 3/4 of an inch. Package includes 2 plates and 2 screws.
The Dorma RTS88 Top Arm 8835 is for use on Double or Single Acting doors that have a 1" top rail. This is the standard arm on the RST07 and RST10 packages.
The Dorma 8400 Center Case Cover is used the 8000 Series Surface Vertical Rod Devices. The cover is black plastic, the screws are not included. Dorma Part # CHCOV84
The Dorma RTS88 Offset Slide Arm 8812 is used on in the RST31, RST30, RTS29, RST28, RST27, RTS26 and RTS25 packages. This arm is used on Single Acting Doors.