Compatibility: Compatible with bottle caps from 13mm to 32mm, suitable for saline bottles, in bottles, and spray bottles. Material: Constructed from 304 stainless steel and aluminum, with a long handle for non-slip and labor-saving manual operation. Precision: Processed by precision CNC machine tools with 0.01mm gap precision, featuring a hand-polished smooth surface. Sealing: Provides a tight and secure seal through manual crimping, requiring no electricity or compressed air. Application: Suitable for packaging, s, laboratories, and family use., Manufacturer: FDzkrtvm