Specification:100% brand new and high quality.Material: Stainless Steel , PlasticSize: bigest length 3.5cm , big length 3cm , medium length 2.9cm , small length 2cm ,smallest length 2cm , mini length 1.6cm Inner Dia: 1mm , 1.2mm , 1.5mm , 2.3mm ,3.5mm , 5.8mm , 8.3mm , 10.3mmThickness: 0.3mmCopper nickel plating 8 size Piece cover(Each size 1 individual,Concave molding)Very miniature size, In the production of soft pottery and clay, You can pick out very small circles. Widely used.Except for roundness, Or indentation.Enriching the WorksPackage includes: 8pcs/setNotice:1.Due to the light and screen difference, the item's color may be slightly different from the pictures.2.Please allow 1-3cm differences due to manual measurement.3.Thank you for your kindly understanding.