Conservator tools are hand manufactured in the wine area of Troyes, 2 hours east of Paris. They’ve been created by a metal detector enthusiast in 2020 in order to provide a wide range of cleaning products for both beginners and advanced users. Click here to find the closest dealer. We do not sell to direct end customers. The range was created by Nicolas, a metal detector enthusiast, backed by David Cuisinier owner of LeFouilleur. It was sold in 2023 to Sebastien who’s broadening the product range and taking sales to a worldwide level.

multipen coin cleaning


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The Multipen is our most versatile cleaning tool; it comes with 7 kind of tips for a fast and easy cleaning. It combines in one tool all the strenghts of both Conservator and Precision pencils adding the possibility to add the acclaimed glass fiber brush not available on other tools. This patented tool is manufactured in France and only available at Le Crayon à Gratter. if you’re tired to trash your wooden pen when you run out of tip, then search no more: MultiPen is the solution !

Ease of use
Cleaning speed
multipen coin cleaner


MultiPen comes with 7 different tips. It's our most versatile tool and the only one to be compatible with the popular glass fiber brush. All 7 tips can be purchased separetely as refill, most of them being adaptable on the precision pencil.

ONLY AVAILABLE ON MULTIPEN. The steel wool allows to accurately clean a coin even between letters and asperous areas. Contrary to other pencils, our longer refill last much even longer thanks to our stiffener manufacturing process

ONLY AVAILABLE ON MULTIPEN. The fiber glass brush is really popular because it cleans in depth even in asperous zones without damaging patina. The fiber glass brush used to be available on low quality dedicated pen. You can now use them on our fantastic Multipen.

The brass brush will wipe the first layer of dirt. Use gently in order to avoid scratches; we recommend to change tip as soon as you narrow down to the surface of the coin/artefact.

This hard carbon tip is dedicated to removing dirts that the glass fiber will not be abale to clean. It's effective on all kinds of metal; in order to avoid damaging the patina, use cautiously on bronze.

The glass fiber tip will clean your bronze artefacts without damaging the patina. It's also very effective on all sorts of metals as it's the softest tip available on the precision pensil.

The scalpel is meant to get rid of the toughest piece of dirt or crust. The scalpel is more efficient if you use a pull-out gesture rather than a scratch motion. As it's the hardest fitting, it has to be used with extreme caution.

Being very thin, the brass tip is the most accurate tool available on the precision pencil. Use it in the finishing process to clean areas that cannot be reached by other tips such as letters of a caption.