Baldwin Round Knob with Traditional Square Rose, Passage Function, Item #PS.ROU.TSR.112. Dimensions: approximately 3"W x 3"L x 3"H. Passage function has no locking mechanism — designed for hallways, closets, and non-locking interior doors. Includes door knob, all mounting hardware, and instructions. No damage or missing parts. Baldwin offers top-tier solid brass craftsmanship.