flexible socket wrench 40Cr-V steel. Surface treatment :Mirror Coating, Sub-Mirror Coating flexible socket wrenchMaterial: 40Cr-V steelSurface Mirror CoatingSizes: 6mm, 7mm, 8mm ... , 18mm, 19mm, 20mm,21mm,22mm, 24mm, 26mm, 27mm, 30mm, 32mmPayment: T/T, L/C at sightDelivery: in 30days or according to your ...