Material: Chrome Vanadium Steel. Surface Treatment: Mirror Polished or Satin Finished Sizes: 8mm, 10mm, 11mm, 13mm, 15mm, 17mm, 19mm Packing: blister, 5set per inner box, 20set per carton G.W./N.W.: 22 / 21 KGS MEAS.: 360*330*310mm Sizes Available: metric system & British system 6mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 22mm, 24mm, 26mm, 27mm, 30mm, 32mm Payment: T/T, L/C at sight Delivery: in 30days or according to your order quantity Origin: Ningbo, China Mainland MOQ: 500sets Samples: sample and shipping cost are charged