Image source: Flos — Ok
© Flos and the respective rights holders. Quoted to accompany INTEBEE's independent design commentary and research.
Ok
Konstantin Grcic's luminous disc on a steel cable, a reinterpretation of Castiglioni's Parentesi.
2014
Approx. $1,000 (reference price; varies by region and retailer)
Official product information
INTEBEE AI PUBLIC LIBRARY is an independent furniture design research and discovery platform. Product specifications, finishes, availability and other details may change. For current and definitive information, please refer to the manufacturer's official website.
Go to the official product pageSpecifying Ok for your design project?
INTEBEE is the FF&E specification platform for interior designers: spec sheets, finishes, floor plans and client-ready PDFs in one place.
Description
Overview
Ok (F4640030, Black) is an adjustable suspension luminaire designed by Konstantin Grcic in 2014. A luminous disc takes the place of the bulb in this reinterpretation of Achille Castiglioni's Parentesi.
Construction
- Glossy varnished, adjustable aluminium head
- Body in injection-moulded PA66+30%FV with a varnished cover
- Steel cable tensioned between ceiling and floor, useful length 4000 mm
- Head rotates 360° and slides vertically along the cable
- Soft-touch switch integrated for on/off and dimming
Specifications
- Source: LED module, 18 W, 1551 lm, 2700 K
- Indoor dry location, IP 20
- Black cord of 4000 mm and a black canopy 20 mm high
- Plug adapter and interchangeable plugs included
Story
A luminous disc in place of the bulb
Konstantin Grcic designed Ok as a reinterpretation of Achille Castiglioni's Parentesi for the contemporary era. New lighting technologies let a luminous disc replace the humble light bulb that Parentesi celebrated.
Circle and initial
The name combines the circle of its form with the first letter of Grcic's name. Paying homage to a master, Ok unites technological innovation and timeless design.




