Knud Thumb Turn with Indicator

The Knud Thumb Turn with Toilet Indicator is a compact privacy locking mechanism designed for bathroom doors. Featuring a clean circular rose and a precise thumb turn, it displays occupancy status from the exterior with a subtle red/white indicator. The design balances form and function, offering both aesthetic refinement and practical utility in high-use environments.

Designed by Knud Holscher, one of Denmark’s most influential architects and a student of Arne Jacobsen. Produced by d line, this hardware is made in Europe and crafted to withstand continuous use, combining precision manufacturing with hand-finishing excellence.

Specifications

• Diameter: Ø 50 mm (2")
• Door Thickness: TBC

Material(s)

• Material: Stainless Steel (AISI 304)
• Finish: Satin Stainless Steel (Grain 320)

Other Finish Options (Available Upon Request):
PVD Satin Brass
PVD Satin Bronze
PVD Satin Black
Polished versions and X-BAC antimicrobial coating

Product Downloads

• Knud Toilet Indicator Product Sheet
• d line Brandbook