A pair of Formani ONE by Piet Boon PBWC50/5 Privacy Set door knobs on a white background.
A close up of a pair of Formani ONE by Piet Boon PBWC50/5 Privacy Sets.
A pair of ONE by Piet Boon PBWC50/5 Privacy Set door knobs in stainless steel by Formani on a white background.
A pair of Formani ONE by Piet Boon PBWC50/5 black round knobs on a white background.
A pair of Formani ONE by Piet Boon PBWC50/5 Privacy Set knobs on a white background.
A pair of Formani ONE by Piet Boon PBWC50/5 Privacy Set wall lights on a white background.

ONE PBWC50/5 Thumb Turn

SKU: 2701T001INXXU

Original price$270.00
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Shipping calculated at checkout.
Finish

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Description

The ONE PBWC50 Thumb Turn by Formani is a modern privacy turn and release set designed by Piet Boon. Part of the ONE collection — a total concept for door, window, and furniture fittings with a unique series of bathroom accessories.

Specifications
  • Dimensions: Ø 50 mm (1.96") x D 30 mm (1.49")

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
  • PVD Bronze
  • PVD Brass

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

For the complete collection, download the catalogue here.

Product Sheets

Installation & Care

Finish Samples

Dutch precision, designed.

Formani is a Dutch hardware manufacturer producing lever handles, escutcheons, cabinet pulls, and bathroom accessories. Founded in the Netherlands, the company works with a focused group of designers — among them Piet Boon, Bertram Beerbaum, Osiris Hertman, Edward van Vliet, and the office of Gensler — each briefed to develop a total concept rather than a single product.

The result is a catalogue of coordinated systems that move across doors, windows, furniture, and bathrooms without visual interruption. Finishes — including satin stainless steel, PVD satin black, bronze, PVD satin gold, and polished stainless steel — are shared across collections, so a lever, a cabinet pull, and a towel bar can arrive at a project from the same material palette.

Every piece is precision-welded in the Netherlands and designed to work with both European mortise and North American tubular latch systems. Formani hardware is built to sit flush, return cleanly, and remain legible at the scale of a room.

Principles

01

Complete Concepts
Each Formani collection spans door levers, escutcheons, cabinet hardware, and bathroom accessories — one design language across every contact point in a space.

02

Designer Collaborations
Collections are developed with named designers including Piet Boon, Bertram Beerbaum, Osiris Hertman, and Gensler, each producing a coherent formal system rather than individual objects.

03

Finish Consistency
All finishes — satin stainless steel, PVD satin black, bronze, PVD satin gold, and polished variants — are available across collections, enabling a unified material palette on a single project.

04

Dual Compatability
Hardware is engineered for both European mortise and North American tubular latch configurations, with explicit backset and door-thickness specifications provided for every product.
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Inquire

Specifications + Quotations

Formani hardware is sold as components and built to order. Reach out to confirm function, backset, door thickness, and finish before placing a quote.


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