The hardened steel of the Blue 140 makes it a very hard ball. The advantage of hardness is durability on all terrains. Scorers prefer it. The natural blue sheen of the hardened steel is intensified by a protective blue varnish which will fade gradually. This model is at the origin of the name " La Boule Bleue ".

Warning: blue coating disappear very quickly in use and impact marks may be visible on delivery. It is normal and doesn't affect quality.