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Ring expander / ring reducer, for ring sizes 1 - 36

Intended use

Ring expanders or ring reducers, also known as ring stretchers, are used in jewellery production. They are used to widen or narrow ring jewellery.

Technical data

Base body material: Cast iron
Base dimensions (L x W x H): 190 x 114 x 37
Material for punch and die: Tool steel, hardened
Total height [mm]: 430
Weight [kg]: 8,3

For ring sizes from 1 - 36

Sturdy cast iron base body

Suitable for mounting on a workbench

Punch and die made from hardened tool steel

For enlarging and reducing ring jewellery

Description of the

The basic body of this ring stretcher is made of solid cast iron. It can be firmly bolted to workbenches via four through-holes. The rotating die and punch, which can be used on both sides, are made of hardened and polished tool steel. The lever on the side can be used to raise and lower the punch as well as to spread the ring expander on the top of the tool. There are markings for ring sizes 1 to 36 on the front of the ring expander and the ring width of the piece of jewellery can be reduced by pressing it into the die. The ring spreader, on the other hand, can be used to increase the ring width.

Scope of delivery

  • 1 x ring expander / ring reducer, for ring sizes 1 - 36

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Average rating of 5 out of 5 stars


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11 March 2024 19:57

Review with rating of 5 out of 5 stars

Alles funktioniert perfekt, ich bin zufrieden.

Alles funktioniert perfekt, ich bin zufrieden.

29 December 2023 20:14

Review with rating of 5 out of 5 stars

Preis- Leistung sehr gut! Funktioniert einwandfrei. Gute

Preis- Leistung sehr gut! Funktioniert einwandfrei. Gute Verarbeitung.

Information on the manufacturer (information obligations under the GPSR Product Safety Regulation)
Paulitschek Maschinen- und Warenvertriebsgesellschaft mbH
ZeppelinstraĂŸe 3
89231 Neu-Ulm, Deutschland
+49 731 23232
support@paulimot.de