6mm long, ID is 0.45 (About 55 Pieces per pack) = CC4SS 6.25mm long, ID is 0.8m (About 50 Pieces per pack) = CC5SS 10mm long, ID is 1mm (About 30 Pieces in one pack) = CC6SS 9.5mm long, ID is 1.5mm (About 20 Pieces in one pack) = CC7SS Internal Diameter is 2mm (About 14 Pieces in one pack) = CC8SS Internal Diameter is 2.5mm (About 12 Pieces in one pack) = CC9SS
NOTE: These are made out of 925 Sterling silver and due to the nature of the pieces there might be a couple of pieces less or even more (especially in the smaller sizes).