Short Door Latch Guard Protects Latches on Key-in-Knob Sets from Tampering For Out Swinging Doors Only Heavy Duty 12 Gauge.104 Steel Construction for Added Security Plastic coated baked on finish May Be Used on Hollow, Metal Door Frames Using ASA Strike Plate 3' Wide x 6' Length Mounting Hardware Included Furnished with washers, carriage bolts and cap nuts Silver Finish