Standard seals include Center Tear-Out, Open Top, Center Tear-Off. This does not include Flip Off or Flip Cap seals. This specific crimper will not work for those seals. Wheaton E-Z Crimpers feature cushioned ergonomic handles that aid in reducing hand fatigue and adds a high degree of comfort for the user. Each crimper size is labeled for quick identification. Other features include polished crimping jaws for consistent sealing, a short handle and redesigned spring assembly that further aids in reducing hand fatigue. E-Z Crimpers can be autoclaved at 121 °C. Autoclaving may change appearance and or reduce product life.