Brand: TSSSize: 4-1/2" Wide X 2-15/16" TallFinish: BrassFor Use On Doors 1-3/8" To 2-1/4" ThickBackset: 2-3/8"Single Cylinder, Keyed Exterior, Thumb Turn Knob On InteriorIf Cylinder Is Removed From Outside Of Door, Shutter Guard Will Activate, Preventing Opening Of The Lock With A ScrewdriverKeyed DifferentComes With 2 Keys And Mounting Harwdare