Description Description Contains the following sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30 and 32mm CR-V material 12PT Ring Length (mm) approx: 6mm – 100, 7mm – 110, 8mm – 120, 9mm – 130, 10mm – 140, 11mm – 150, 12mm – 160, 13mm – 170, 14mm – 180, 15mm – 190, 16mm – 200, 17mm – 210, 18mm – 220, 19mm – 230, 20mm – 240, 21mm – 250, 22mm – 260, 23mm – 270, 24mm – 280, 25mm – 290, 26mm – 300, 27mm – 310, 28mm – 320, 30mm – 340, 32mm – 360 Fully polished finish.