Delaney Derby - Grade 3 Dummy Knobset

No latch and no lock. The Derby single dummy is a non-functioning knob on a rose, used as a push/pull pull on an interior door. The box gives you the knob and plate for one side of the door, a dummy spindle, and mounting screws. If the door needs to latch shut, you need a passage set instead.

One side only. It is a single dummy, with the knob and plate for one face of the door. For a double door or a closet pair where you want a knob on each face, order two, or look at a factory dummy pair such as the Emtek Arts and Crafts Hammered Egg dummy pair or the Emtek Georgetown crystal dummy pair, which ship two knobs per set.

A dummy like the Derby won't hold the door closed. For a latching non-keyed interior door, look at a passage knobset: the Pamex FTF Baron passage is Grade 3 for 1-3/8 to 1-3/4 inch doors, the Dexter C2000 passage is Grade 2 over the same thickness range, and the Falcon W101 is a Grade 2 passage knob with a 2-3/4 inch backset.

The Delaney Derby is a Grade 3 dummy knobset designated for residential use. If a specification calls for a commercial grade dummy trim, the Schlage A170 Single Dummy Trim is Grade 2 and heavy duty, and the BEST 6K Series Single Dummy Trim is Grade 2 medium duty. Both are cylindrical dummy knob trims in the same single-side application.

The Delaney Derby is a dummy function knobset for one side of the door. Other single dummy knob options include the Bravura Biloxi with Round Trim Dummy Knobset, which is Grade 2, the BEST 6K Series Single Dummy Trim, also Grade 2 and medium duty, and the Schlage A170 Single Dummy Trim, a Grade 2 heavy duty cylindrical dummy knob. The Cal-Royal BA40 Dummy Knob is another cylindrical dummy knob, listed for doors 1-3/8 inch to 1-3/4 inch thick.

The Derby has no latch and no lock, so a door that needs to stay closed needs a passage knobset instead. Grade 3 passage options include the Pamex FTF Baron Knob Lockset in passage function for doors 1-3/8 inch to 1-3/4 inch thick. Grade 2 passage knobs include the Bravura Albany and Lynchburg with Round Trim, the Dexter C2000 Passage Ball Knob, and the Arrow MK01. For a heavy duty passage latch, the Schlage D10S is Grade 1.

The Delaney Derby is a Grade 3 residential dummy knobset with no latch, so it does not serve a labeled door that must latch. Falcon lists fire rating on the W101 Grade 2 medium duty passage knob lock with a 2-3/4 inch backset and on the X101 Grade 1 heavy duty passage knobset with interchangeable core.

Both. It ships with combination screws that suit wood or metal door mounting, so you don't need to source separate fasteners for a hollow metal interior door.

Projection is 2-3/8 inches, with an overall length of 2.5625 inches. That matters where the door swings close to a wall, a return, or an adjacent cabinet, and it is the number to check if you are matching the reach of the knobs already on your other doors.

The Derby dummy has no latch and no spindle passing through, so there is nothing to run through a cross bore. It fastens to the face of the door with the supplied combination screws and a dummy spindle. That makes it the usual choice for a false door, a closet slab, or the inactive leaf of a pair where no prep exists.

No. The Delaney Derby is a dummy function knob with no latch or lock, used as a push/pull pull only. A passage knob such as the Arrow RK01 or the Corbin Russwin CK4410, both Grade 2 passage/hall/closet cylindrical locks, includes a latch that holds the door shut, and requires a bored hole and latch prep the dummy does not use.

The Delaney Derby is dummy function and cannot be locked. For bed and bath privacy in the same Grade 3 class, the Pamex FTF Baron Knob Lockset in privacy function and the Cal-Royal BER20 Privacy knob lock are both Grade 3 and listed for doors 1-3/8 inch to 1-3/4 inch thick. Grade 2 privacy alternatives include the Dexter C2000 Privacy ball knob.

No. The Derby is a dummy function knob with no latch or cylinder. For a keyed exterior opening, Grade 3 options include the Cal-Royal BER00 Entrance/Office knob lock with a Kwikset keyway, the Pamex FTF Baron in entrance/office function, the Master Lock BC Series biscuit knob keyed entry, and the Kwikset 400P-CP keyed entry knob for doors 1-3/8 to 1-3/4 inch.

Omnia offers several solid brass single dummy knob latchsets: the 434/0 traditional egg-shaped knob, the 442/00 #44 traditional single dummy with a 2-5/8 inch rose, and the 458/0 traditional single dummy with a 2-3/8 inch backset. All are dummy function like the Delaney Derby, in solid brass construction.

The Delaney Derby dummy knobset is offered in US15 Satin Nickel and US12P Tuscany Bronze. If you also need a functioning knob in satin nickel, the Callan Roland is a Grade 2 entrance knobset listed in US15 Satin Nickel, so the two can be run together on a door group where some leaves are dummy and others latch.

The Delaney Derby is a dummy knobset supplied with a non-functioning knob, plate for one side, dummy spindle, and mounting screws, intended as a push/pull on an interior door. The Sargent 78-2875 is an outside knob only in the 7800 Series, a trim component for an exit device rather than a standalone dummy set. Similarly, the Imperial USA ED-BKL580 is knob trim in storeroom function for the ED-500 Series.

For openings where door thickness drives the selection, the Corbin Russwin CK4310 Grade 1 passage knob and the Deltana 6171 Round Knob Entry are both listed for doors 1-3/8 inch to 2 inch, and the Falcon X101 Grade 1 passage knobset covers 1-3/8 inch to 2-1/4 inch. The Delaney Derby mounts with combination screws that suit wood or metal doors and, being dummy function, passes nothing through the door.

Two: US15 Satin Nickel and US12P Tuscany Bronze. If you are trying to match knobs already hung in a unit, those are the two Derby dummy options to hold against what is on the door.