Sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 & 19mm Smooth 72 teeth ratchet action 40CR-V Hardened gear ring DIN Standard 3113 Approximate lengths: 8mm – 140mm 9mm – 150mm 10mm – 160mm 11mm – 165mm 12mm – 170mm 13mm – 180mm 14mm – 190mm 15mm – 200mm 16mm – 210mm 17mm – 225mm 18mm – 235mm 19mm – 245mm