The Laerdal-141706 Compression Spring is a precision-engineered replacement part for the Resusci Baby Basic, SkillGuide, and ASL Baby manikins. Designed to replicate realistic chest compression resistance and recoil, this spring helps maintain accurate CPR feedback and performance consistency. Manufactured by Laerdal to meet high training standards, it ensures that your manikins deliver reliable and lifelike CPR simulation during every training session.