The Life/form® GERi™/KERi™ Manikin IV Arm. For use with all GERi and KERi manikins. Features include replaceable skins and latex veins that actually roll when palpated. There is also a realistic flashback which confirms proper needle placement. Additionally, the shoulder can be used for intramuscular injection training. Life/form GERi/KERi Manikin IV Arm