Covers marred doors and allow conversion of 2-3/8 to 2-3/4 in backset or 2-3/4 to 2-3/8 in. Inside diameter of 2-1/8 in, outside diameter of 3-1/2 in. Includes 2 plated covers...
Defender Security Hole Filler Plate, Steel, Chrome, Dimensions: 2-5/8 in Dia, Suitable for: 1-3/4 in Thick Doors, Includes: (2) Painted or Plated Covers, (1) #10 x 1 in, (1) #10 x 1-1/2 in Machine Screw..