SAPPHIRE II PRO Redefining standard of Balloon Angioplasty Features & Benefits Cross with Confidence Every Time The Sapphire II PRO is specifically engineered for crossing the most difficult lesions and tracking tortuous anatomy, tailored for every lesion size. Sub-zero Tip Technology for Smooth Lesion Entry The well balanced sub-zero tapered tip has an ultra low profile and provides effortless entry through the tightest lesions. XR Balloon Engineered for the Impossible Technical Specifications