Ref.: P7204766901 Article not available For players who are very experienced in the use of soft boules. The way they are marked on impact is a sign of advantageous boules. Very limited bounce. Forged carbon steel, treated and tempered. Black gloss finish, usually disappears with use. Hardness of over 110 Kg/sq. mm. Balance carefully checked. Carbon steel with an anti-corrosion coating: requires regular light cleaning.