Make interior access simple and consistent with a spring-assisted passage leverset designed for doors that do not require a locking function. The Carbine Nidus Project Series uses a round lever profile for comfortable operation, while the matte black finish creates a modern, coordinated appearance across interior hardware.
- Passage function: Allows convenient movement through interior doors without a locking mechanism, making it suitable for rooms where unrestricted access is required.
- Spring-assisted lever: Supports reliable lever return after operation, helping the handle maintain a neat position and consistent feel during daily use.
- Round lever design: Provides a familiar, easy-to-operate grip that works well across practical interior door applications.
- Matte black finish: Adds a contemporary contrast to the door and coordinates easily with other black architectural hardware.
- Nidus Project Series: Provides a purpose-focused hardware solution for project installations requiring a straightforward passage configuration.
Choose this leverset when dependable passage access, spring-assisted operation, and a defined matte black finish are essential. Product-specific material, dimensions, and door-thickness compatibility should be confirmed against the installation requirements before selection.











