Hone

One blade, ground to outlast a drawer of steel.

$128Demo price

Hone is a portfolio concept. Nothing here is for sale.

A white zirconia chef’s knife held edge up in a grey test clamp; a sheet of paper falls onto the edge and parts in two halves, in slow motion, against a grey studio wall.

The paper test.

A sheet of paper falls onto the upturned edge and parts in two, in slow motion. Rendered in a browser for this page: no camera, no stock footage.

A render made for this page

The paper test, in slow motion.

5 s loop

What the blade is.

Zirconia does not rust and does not react with acidic food. Its edge does not roll, so it never needs a honing steel; diamond restores it on the rare day it needs it.

20 cm

Blade length, ground from one piece of zirconia ceramic.

92 g

The whole knife, handle included.

Mohs figures are typical values for each material. Length and weight are Hone’s demo specification.

Steel dulls because it flexes.

A steel edge rolls a little with each cut. The metal bends at a scale you can’t see, and a rolled edge feels dull long before the blade is worn. Zirconia is harder and stiffer: its edge does not roll, it wears very slowly.

The trade-off is real, and we say it plainly: ceramic chips if it twists sideways against something hard, like a jar lid, a frozen block or another knife in a drawer. It is a blade for cutting, not prying. The care notes below cover the one rule.

The edge rolls over.

15° per side
Edge cross-sections, magnified and drawn for this page. Not to scale.

The sheath, the plate, the board: as a set or alone.

Every image is a studio render made for this page, and every price is a demo price.

A close view of the zirconia blade’s tip and edge, lit from the side.
The edge from beyond the tip: 15° per side, ground on diamond.

Don’t twist it in a jar opener. That’s the only rule.

Zirconia does not mind a dishwasher’s heat or detergent, but in the rack the blade can knock against other cutlery and chip. Thirty seconds under the tap, dried, back in the sheath.

A hard cutting surface is the single most common way a ceramic edge chips. Wood and composite boards are fine; granite, marble and glass boards are not.

No twisting to pry open a jar lid, no using the spine to crack a shell, no cutting frozen food straight from the freezer. Let it thaw for ten minutes first.

Zirconia’s edge does not roll, so it needs no honing steel. When it finally feels dull, a few passes on the 600 / 1000 diamond plate restore it. A full regrind to the original 15° is a job for a ceramic-rated diamond wheel.

Demo specification for an invented knife.
BladeZirconia ceramic (ZrO2)
Blade length20 cm
Edge angle15° per side
HardnessAbout 8.5 Mohs
HandleGlass-fibre-reinforced resin, textured grip
Weight92 g
DishwasherNot recommended

In the kitchen.

“I have chipped one ceramic knife before. This one has done eight months of nightly dinners without a mark, and I finally stopped babying it.”

Fictional quote · a home cook, eight months in

“It is lighter than I expected the first time I picked it up. That took about a week to stop noticing and start preferring.”

Fictional quote · a home cook, first month

“The diamond plate that comes with the set is enough. Six months in, I have not sent it out for a proper sharpen.”

Fictional quote · a home cook, six months in

Questions.

Possibly, if it lands blade first on a hard tile floor. The same is true of most kitchen knives. Dropped on a wooden floor or into a sink, it is usually fine.

No. Zirconia is hard, not tough: it is made for vegetables, fruit, boneless meat and fish, herbs and bread, not bones or anything frozen solid.

Zirconia is chemically inert: it does not rust and does not react with acids, so lemons, tomatoes and onions taste of themselves and the blade does not stain.

No. Hone is a portfolio concept by an independent developer: there is no shop, no stock and no checkout. The cart on this page is a demo that charges, sends and saves nothing.

It is a render. The knife, the clamp and the falling sheet were modelled and drawn frame by frame in a browser for this page, then encoded as a 5-second loop. So were the accessory pictures.

The knife alone in its test clamp after the paper test, edge up against the grey studio wall.

$128. One knife, in one box.

A demo price on a concept page: nothing is charged, and nothing ships.

Your demo cart

Demo total$0

This cart is a demo. There is no checkout: nothing is charged, sent or saved, and the cart empties when you leave the page.

A pale bamboo knife sheath shaped like the blade, lying on a grey studio floor.

Bamboo blade sheath

$18Demo price

Magnetic close, lined with cork so the edge never touches wood.

Bamboo, cork lining, magnetic strip. 24 × 6 × 1.2 cm.

A render made for this page. Hone is a concept: nothing here is for sale.