Lot of 50 Brass Mortise bolt lock latch catch Strike Plate US3 or 26D 

New with 2 screws per strike, 50 door strikes, 100 loose screws

Screw holes 4 1/8 center to center

4 7/8 x 1 3/16" (1 7/8" w flange)

opening 3 1/2" x 3/4"