Opening-hardware close-up

Same room, same camera, one variable changed — so the difference is shown, not described. Compare the options, then save the one you prefer to My Project.

OPO-04DS51

Opening-hardware close-up

Between rooms

Shown on an interior door — the same hardware is specified across openings.

Best for

The everyday interior door — familiar, serviceable, inexpensive.

Watch out

Finish wears at the hand; a cheap plating goes first.

Cost effect

The least expensive.

Scope effect

Handing and backset need confirming before the door is machined.

Responsible

Supplied and installed by ALUMAX

Best for

Entry doors where security and a deliberate gesture both matter.

Watch out

Two separate items to align and finish-match.

Cost effect

Moderate.

Scope effect

Both must be set out on the same drawing or they will not align.

Responsible

Supplied and installed by ALUMAX

Best for

Shared or rented access where keys are the actual problem.

Watch out

It has a battery and firmware — it is a maintained device, not a fitting. Plan for a mechanical override.

Cost effect

The highest.

Scope effect

Confirm the door thickness and prep the lock requires, plus a power and override plan.

Responsible

Supplied and installed by ALUMAX

ELS field guidanceSettle before installation day · easy to change later · after OPO-02 Interior door operation

Supplied and installed by ALUMAX

Request validation

Concept renders — a design render, not a photo. Shown to compare options for one decision.

Between rooms — 3 more