Support Plate - Truth Hardware 4.15” Length[31491.92]
This Truth hardware support plate for window operators is designed to work with 24.84 series locks and is used by several window manufacturers.
The #31491 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.