Material: Carbon Steel. Surface Treatment: Chrome Plated Sizes: 6*7mm, 8*9mm, 10*11mm, 12*13mm, 14*15mm, 16*18mm, 17*19mm Packing: Plastic Case Sets/CTN: 5 sets G.W./N.W.: 9 / 8 KGS MEAS.: 330*265*310mm Sizes Available: metric system & British system 6*7mm, 6*8mm, 8*9mm, 8*10mm, 10*11mm, 10*12mm, 11*13mm, 12*13mm, 12*14mm, 14*15mm, 14*17mm, 16*18mm, 17*19mm, 19*21mm Payment: T/T, L/C at sight Delivery: in 30days or according to your order quantity Origin: Ningbo, China Mainland MOQ: 500 sets Samples: sample and shipping cost are charged