... -V steel. Surface treatment :Mirror Coating, Sub-Mirror Coating flexible socket wrenchMaterial: 40Cr-V steelSurface Mirror CoatingSizes: 6mm, 7mm, 8mm, 9mm ... ,7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm,21mm,22mm, 24mm, 26mm, 27mm, 30mm, 32mmPayment ... according to your order quantityOrigin: Ningbo, China MainlandMOQ: 500setsSamples: Charge 1/2 Ratchet Wrench