Knud Ball Door Knob

The Knud Ball Door Knob by d line is a stainless steel spherical door knob on rose. Minimal and functional — suited for residential and commercial interiors. Tested and certified to EN1906 and EN1634-1.

Part of the Knud Holscher collection for d line — minimalist architectural hardware designed in 1971. Made in Europe.

Specifications

• Knob: Ø 50 mm (1.96")
• Door thickness: 33 mm (1.3") – 59 mm (2.3")
• Certifications: EN1906, EN1634-1

European roses are smaller than standard North American models. Verify all dimensions carefully — these may not fit existing or pre-bored door holes.

Additional Components

• Knud Toilet Indicator
• Knud Toilet Indicator Long

Materials

Stainless steel (AISI 304). Standard finish: Satin Stainless Steel (Grain 320).

Additional Finishes (Available Upon Request)

• PVD Satin Brass
• PVD Satin Bronze
• PVD Satin Black
• Polished versions
• X-BAC antimicrobial coating

Product Downloads

• Knud Ball Door Knob Product Sheet (PDF)
• Knud Ball Door Knob Drawing (PDF)
• d line Brandbook (PDF)