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GEOLOGIC Ref. 8667023 4874365

3 Semi-Soft Competition Petanque Boules Sigma

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Colour: PURPLE
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Perfect your accuracy and shots with this hollow FIPJP-approved carbon steel boule designed by our team of passionate players.



This boule can be picked up with a magnetic boule lifter.


This galvanised boule with a polished finish ensures good boule handling.


Low bounce, even on challenging, rocky terrains.

Impact resistance

This semi-soft 39 HRC (124kg/mm²) boule withstands impacts.



Range of diameters and weights:

- 71 mm - 680 g - smooth

- 72 mm - 690 g - smooth

- 73 mm - 690 g - smooth

- 74 mm - 690 g - smooth

- 74 mm - 710 g - striated

- 75 mm - 690 g - smooth

- 75 mm - 710 g - striated




3 petanque boules and 1 jack.

How to choose the right petanque boule

You should choose your petanque boule based on several factors.

Your playing style (pointer, shooter, all-rounder) will determine:

- the required bounce quality (hard, semi-soft, soft or very soft)

- the weight of your boule (heavier for pointers and lighter for shooters)

The size of your hand will determine the boule's diameter.

What does hardness mean for a petanque boule?

The boule's hardness is expressed in the ROCKWELL HRC unit or in kg/mm². For example, 39 HRC corresponds to 124 kg/mm².

The higher the number, the harder the boule. The harder the boule, the less likely it is to get damaged, and the higher its elasticity, and vice versa.Regular players who use soft boules should consider frequently changing their boules to avoid undermining their game.

How to clean your petanque boules?

After each match, wipe off dust with a clean cloth. Once a month, oil your petanque boules to prevent them from rusting. Cleaning regularly lengthens the lifespan of your petanque boules while also ensuring the quality of your match.

How are competition-approved GEOLOGIC petanque boules made

Our competition boules are hollow. These are the steps of our manufacturing process: - A lump of steel heated to +/- 1000 C° is flattened and then stamped or forged into a hemisphere - These hemispheres are machined inside, welded together, and rotated until they are spherical. - The boule is then engraved, baked, and dipped into water, which will determine its hardness. - Finally, they are polished or varnished and then inspected.



Main part: 100.0% Steel

Tips for storage and maintenance

Storage tips

Store boules in a dry place.

Restrictions on use

Keep away from intense heat, like barbecue grills.


Test product

The petanque boules are both tested in our labs and durably on practice pistes by our community of enthusiasts.


2 Years

Agree by

We trust our users to grade and approve our petanque boules. We carefully consider the opinions and scores given on our products and take the appropriate action if these evaluations are not satisfactory. You can therefore consult the scores given by our customers on the SIGMA boules below. You can even contribute to their improvement by leaving your own review.