Spring casing made of 2.3mm steel wire. diameter and biconic shape (Bonell System) joined together by spiral metallic wire. FORMED BY TRADITIONAL SPRING MATTRESSES WITH BONELL BOX, THIS LINE PROVIDES GREAT RESISTANCE AGAINST SUPPORTED FORCES.
Spring casing made of 2.3mm steel wire. diameter and biconic shape (Bonell System) joined together by spiral metallic wire. FORMED BY TRADITIONAL SPRING MATTRESSES WITH BONELL BOX, THIS LINE PROVIDES GREAT RESISTANCE AGAINST SUPPORTED FORCES.
