















Description
The ONE Door Lever by Formani is a solid double-sprung lever on rose, designed by Piet Boon. A versatile design that works with modern, transitional, classic, and industrial styling. Available in four lever profiles.
Part of the ONE collection — a total concept for door, window, and furniture fittings with a unique series of bathroom accessories.
Specifications
- Lever Options
- PBL 15/50: lever Ø 15 mm (0.6") x L 115 mm (4.5")
- PBL 15XL/50: lever Ø 15 mm (0.6") x L 130 mm (5")
- PBL 20/50: lever Ø 20 mm (0.8") x L 113 mm (4.4")
- PBL 20XL/50: lever Ø 20 mm (0.8") x L 138 mm (5.4")
- Compatible Components
- PBN50 Key Escutcheon
- PBY50 Profile Cylinder Escutcheon
- PBB50 Blank Escutcheon
- PBWC50 Turn and Release Set
- European roses are smaller than standard North American models. Verify all dimensions carefully — these may not fit existing or pre-bored door holes.
Materials
Available Finishes
- Satin Black RAL 9004
- Satin White RAL 9003
- PVD Black
- Satin Stainless Steel
- Bronze
- PVD Satin Gold
PVD finishes bond to the metal surface, creating a layer that improves durability, corrosion resistance, and long-term appearance. PVD is suitable for exterior and coastal applications where available.
Product Downloads
- ONE PBL15/50 Product Sheet (PDF)
- ONE PBL15XL/50 Product Sheet (PDF)
- ONE Full Catalogue (PDF)
- ONE Front Door Fittings Catalogue (PDF)
- ONE Door Fittings Catalogue (PDF)
- ONE Window Fittings Catalogue (PDF)
- ONE Hardware Accessories Catalogue (PDF)
- ONE Bath Accessories Catalogue (PDF)
- Formani Care & Maintenance (PDF)
Ordering Guide
Formani levers are sold as components and built to order. To prepare your quote, please confirm:
- Function — select one:
- Passage — interior doors that latch but do not lock (hallways, closets, pantries)
- Privacy — doors that lock from one side with a thumb turn and emergency release (bathrooms, bedrooms)
- Keyed Entry — exterior or secured doors operated by a key cylinder on one side and a thumb turn on the other
- Dummy — non-operating decorative lever for fixed panels or inactive leaves of double doors
- Backset — 60 mm standard for euro mortise
- Door thickness — measured at the lock case
- Door condition — must not be pre-bored
Formani door hardware pairs with the d line heavy-duty euro mortise lock & latch. Privacy configurations require a thumb turn; keyed entry requires a CES key cylinder with matching escutcheons.
Contact contact@cassonhardware.com for an itemized quote.
Installation Notes
Pre-drilling or pre-milling for hardware components is not recommended until all items are received and measured.
There may be slight variations that could affect the installation of your hardware as many pieces are hand finished / fabricated.










