Deltana TK6431 Linstead Lever Trimkit

The TK6431 Linstead is a lever trim kit, meaning the levers, roses and mounting hardware only. It is the handle set you see and touch, not a complete lockset with a latch and strike. If you are replacing a whole lock on a door, you want a full bored lockset. If your existing bored lock still works and you only want the look of the lever changed, the trim kit is the part to order.

Deltana lists the Linstead TK6431 as residential. It is built for interior doors in a home or an apartment unit, not for a commercial opening carrying heavy daily traffic. Property managers doing unit turnovers on bedroom and bath doors are inside its intended use; a lobby, stairwell or office corridor door is not, and those openings normally want a Grade 1 or Grade 2 commercial cylindrical lock instead.

Yes, that is what a trim kit is for. The Linstead TK6431 swaps the lever and rose on an existing bored interior lock, so the latch, strike and the door prep all stay put. It is the cheapest and fastest path when the mechanism is fine and only the appearance is dated. Go to a full lockset instead when the latch is sticking, the privacy button has failed, or you are changing the door's function (turning a passage door into a privacy door, for example), because the function lives in the lock body, not in the trim.

Seven finishes: PVD Polished Brass, Oil Rubbed Bronze, Brushed Nickel, Antique Nickel, Polished Chrome, Brushed Chrome and Antique Brass. If you are matching existing hardware in a unit, the PVD Polished Brass is the plated-under-PVD version rather than a lacquered brass, so it holds its color differently than an older lacquered brass lever sitting next to it. Antique Nickel and Antique Brass are the two darkened, aged-look options; Brushed Nickel and Brushed Chrome read similar from across a room but differ in warmth up close.

The Linstead is a Deltana series, not a single part, and the TK6431 trim kit is one member of it. Ordering the same finish across the Linstead range is how you keep passage, privacy and dummy doors reading identically down a hallway. Pick the finish once and stay on it for the whole run, since the same nominal finish name from a different maker will not land in the same place.

Lever trim kits of this bored type mount with a lever on each face of the door, and the lever is reversible in the field on standard residential bored trim, so one part number covers both swings. You are not ordering a left hand and a right hand version of the TK6431. What you do need to confirm is the door prep it is going onto, since the trim has to land on the bore and cross bore already in the door.

The TK6431 Linstead sits in Deltana's residential clearance collection, which means it is a run-out item rather than a staple line. If you are standardizing a set of doors on one look, buy the full count in one order and add a couple of spares for damage and future turnovers. Coming back for one more lever in the same finish a year later is the part that fails on a clearance item.

It is a lever. Levers operate with a closed fist or a forearm, which is why they are the usual choice over knobs on doors that need to be usable without gripping and twisting. For a rental unit or an aging-in-place remodel, that is the practical reason to move off knobs.