Neodymium magnets, 5mm diameter x 2mm thick, 30 pieces. 5mm x 2mm are standard values. Actual thickness is approximately 1.9mm. There are individual differences in size. We will quote for your desired quantity. Please inquire. (Up to approximately 2000 pieces depending on stock availability) Applications: Model making such as plastic models, crafts, etc. *Neodymium magnets may have scratches or dents from the manufacturing process. Please understand beforehand that these are within a range that does not affect usability. ◆Please use by those aged 14 and over. ◆There have been several serious accidents where children have swallowed these magnets and required abdominal surgery. To prevent accidental ingestion, please keep out of the reach of children.