Anti-Slip Handle: Equipped with a frosted material anti-slip handle, it offers a firm grip even during extended use or when your hands sweat, reducing the risk of accidents. Manual Crimper: Designed for crimping 8-20mm aluminum plastic flip-off caps, this manual crimping machine ensures precise and secure sealing for bottles and containers. Sealing: Crafted with excellent workmanship, this crimper guarantees a reliable and effective sealing performance for a variety of applications. Adjustable Cap Tightness: The tightness of the cap can be easily adjusted by rotating the rolling head, providing flexibility for different sealing needs. Packaging, Schools, Laboratories and Families, etc., Manufacturer: BCVGYSAR