Support Plate (Scissors Arm) for Truth Window Operators
This Truth Hardware Scissors Arm Window Operator Support Plate is designed to work with 24.84 series locks and is used by several window manufacturers.
The #21132 is the support plate for the 24.84 Series Multi-Point Locks. (See page 8, figure 7 of product specification documentation)
For additional assistance with installation or tips on choosing the right part, always refer to the product specifications documentation.