Overview The Ethicon 8557 PROLENE 4-0 Polypropylene Suture RB-1 is designed for superior performance in surgical procedures. Made from high-quality polypropylene, this suture provides excellent tensile strength and minimal tissue reactivity. Intended Use This suture is intended for use in soft tissue approximation and ligation, making it ideal for a variety of surgical applications. Specifications Material: Polypropylene Size: 4-0 Length: 36 inches Needle Type: RB-1 Sterility The Ethicon 8557 su