Bottle manual crimping pliers for crimping flip-off caps, very easy to use. For pharmaceuticals, food, packaging, chemical industry, schools, laboratories and families, etc.Features:- Application: pharmaceuticals, food, packaging, chemical industry, schools, laboratories and families, etc.- Can printing of different types of bottles, oral liquid, etc.- Good sealing, rolling out the smooth, precise- Long handle design, operation more effort.How to use:1. Place the cover in the roller head and then press the handle gradually (please do not apply excessive force) until the cover is tightened. Release the handle and check if the cover is loose.2. If the phenomenon of the cover is not tight or not smooth, please turn the roller head firmly or loosely.Package includes:1 x manual crimping pliers.Note:1. Please allow for a deviation of 1 - 10 mm due to manual measurement.2. Due to the light and screen difference, the item's color may be slightly different from the pictures.