This E-Z Crimper™ for fastening 20mm standard aluminum seals features a newly designed, cushioned, ergonomic short handle that aids in reducing hand fatigue and adds a high degree of comfort for the user. Other features include polished crimping jaws for consistent sealing and a redesigned spring assembly that further aids in reducing hand fatigue. An adjustable stop allows determination of the tightness of the seal while maintaining consistent crimping. Autoclavable to 121°C. Attaches 20mm Standard Aluminum Seals. Wheaton #: W225303.