K工具

K3(2.54-3.05mm)
K4(3.05-3.81mm)
K5(3.81-4.70mm)
K6(4.70-6.22mm)
K8(6.22-7.82mm)
K10(7.82-9.40mm)
K12(9.40-12.57mm)
K16(12.57-15.72mm)
K20(15.72-18.90mm)