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Knud Ball Door Knob

by d line

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This product is special order, please contact us for more information.


The Knud Ball Door Knob is a minimal door knob suitable for both residential and commercial interiors. The coordinated line of minimalist architectural hardware from 1971 is ‘modest design that is designed to last’.

Knud Holscher graduated from the Royal Danish Academy of Fine Arts School of Architecture, having studied under Arne Jacobsen. d line hardware is designed for constant use. Pieces are rigorously tested and use the most cutting-edge machinery in the field. Each piece is expertly crafted by hand.

4-8 week lead time. Please contact us for more information.

Made in Europe.


Size: Ø 50 mm (1.96")
Door Thickness:  33 mm (1.3") - 59 mm (2.3")
Rose: Available with or without 
Cover Plate: Available with or without

Privacy/Lock Options:   
Knud Thumb Turn 
Knud Thumb Turn Long 
Knud Toilet Indicator 
Knud Toilet Indicator Long


Available in satin stainless steel. 

Product Downloads

Knud Ball Door Knob Product Sheet
d line Brandbook