Seven Die Sets: Includes seven die sets for different hose sizes. Easy Storage: The hose crimping pliers kit includes all accessories and a storage box for convenient use. Easy to store and organize, preventing loss. Wide Applications: The crimping pliers base can be mounted on a workbench for easy use and can be secured with any vise. Suitable for custom-modified vehicle air conditioning piping. Superior Performance: Lighter weight thanks to its aluminum alloy construction, and the detachable handheld design makes manual air conditioning hose crimping pliers easier to use. Service: If you have any questions, please feel to contact us and we will respond within 24 hours., Manufacturer: ZHJOPP