Condition: 100% Brand New And High Quality Material:Stainless Steel Package including: 100Pcs (Pack) Product weight:（15mm/16mm-6g）,(18mm/20mm-8g),(25mm/30mm-10g),(35mm/40mm-11g),(45mm/50mm-15g) Those pictures are just for reference only, please check the above detailed measurement to choose the correct size, and allow 1-2mm differences due to manual measurement, thanks. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.