Solid ash shell cabinet knob in the Unfinished finish, front view

Shell Cabinet Knob, Solid Ash

Unfinished
£5.00
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Solid ash shell cabinet knob in the Unfinished finish, front view
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Shell Cabinet Knob, Solid Ash

£5.00

A shell-shaped cabinet knob, 60 mm tall, carved from a single block of solid ash. Sold individually, in twelve finishes.

The outline is two circles, one large over one small, but the face is where the work is: a deep hollow curls in from the edge and turns back on itself, so the surface rises and falls instead of sitting flat. It is the most sculpted knob we make and the one that changes most with the light — a shape you end up running a thumb over without meaning to. It reads best on a plain door, where nothing else competes with it.

Product details

A shell-shaped cabinet knob in solid ash, 44 × 60 mm, with a carved hollow across the face. Sold individually, in twelve finishes.

In the box: one knob with the threaded metal insert already fitted, and one M4 × 30 mm screw.

Dimensions and specifications
  • Wood: solid ash, cut from a single block, no glued joints
  • Face: 44 × 60 mm (1.7″ × 2.4″), width × height, carved
  • Total depth from the door: 22 mm (0.9″)
  • Base: 13 mm
  • Tolerance: ±1 mm
  • Mounting hole required: 4 mm
  • Fits door and drawer fronts up to 24 mm thick
  • Included: one M4 × 30 mm screw, threaded metal insert fitted in the knob
  • Weight: 30–40 g, depending on the piece of ash
  • Finish: ADLER Legno Dura-Öl, an oil-based finish — ten colours plus Oiled. Unfinished is bare sanded ash, with no coating at all
  • Sold individually
Mounting
  1. Check that your door already has a mounting hole. If not, drill a 4 mm hole through the front.
  2. Pass the M4 × 30 mm screw through the hole from the back of the door.
  3. Thread the screw into the metal insert in the knob and tighten by hand, holding the knob upright with the small circle at the bottom.
  4. Finish with a quarter turn of a screwdriver — no more. Overtightening pulls the insert out of the wood.

The carving is not symmetrical: the hollow curls one way, so a knob fitted upside down looks like a different shape rather than like a mistake. Set it before the screw grips, and keep the same orientation on every door in a run. If your door is thinner than 24 mm, the screw will stand proud inside the insert; that is normal and does not affect how the knob holds.

Materials & workshop

Wood: solid ash, single block. Hardware: threaded metal insert and M4 × 30 mm screw.

Eleven of the twelve finishes use ADLER Legno Dura-Öl, an Austrian oil-based finish. It leaves a matt, open-pored surface — the colour sits in the wood rather than on top of it, so a green knob still reads as ash and not as painted board — while resisting water and household chemicals the way a varnish would. The oil is certified to EN 71-3 for the migration of heavy metals, and to DIN 53160-1 and 53160-2 for saliva and perspiration resistance. The twelfth option, Unfinished, is bare sanded ash with no coating; it is the palest of the set and darkens with handling.

Cut, shaped, sanded and finished in our own workshop in Roman, Romania. This is the slowest knob in the range to make: the hollow is cut in stages and then worked by hand, because a sanding block cannot follow a curve that changes direction. Cutting that deep exposes the grain at every angle, so a single knob shows pale flat-sawn face in one place and dark end grain in another — the colour is never even across the face, and on the darker finishes that contrast is the point.

Care

Wipe with a dry or barely damp cloth. The oil finish resists water and household cleaners, so no special product is needed and none is recommended.

A cloth will not reach the bottom of the hollow; a dry brush will. Unfinished knobs have no coating, and on a carved face the hand always lands in the same place, so that spot darkens first.

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