NCL White Door Knobs, 3 Pack Round Passage Door Knob, Matte Black Keyless Door Handles, Porcelain Door Levers

WHITE KNOBS: Oblate porcelain knob with matte black rosette. Keyless Passage Door Knob, no key for closet or hall door use, both sides unlocked always | ZINC ALLOY ROSE: The clean ceramic knobs with sturdy zinc rose is secure mechanism. And easy installation | DOOR THICKNESS: This Door knobs fit most of standard door thickness 1-3/8 to 2-1/6 inch (35-55 mm) | ZINC LATCH: Adjustable 2-3/8 or 2-3/4 inch (60-70 mm) backset optional. The handles latch is forty five degree turning to open doors, it's convenience for all people | QUALITY PROMISE: Ensure opening cycles exceed two hundred and fifty thousand times as ANSI Grade three standard