1.Chrome-Vanadium alloy steel , 2.Well surface polished , 3.ANSI,DIN and GB standards.

Our company is the Vice-chairman enterprise of China auto maintenance association which can ensure our quality. 

Include 5.5mm*7mm, 8mm*10mm, 10mm*12mm, 11mm*13mm, 12mm*14mm, 13mm*15mm, 14mm*17mm, 16mm*18mm, 17mm*19mm, 19mm*21mm,19mm*22mm, 21mm*23mm, 22mm*24mm, 23mm*26mm, 24mm*27mm, 30mm*32mm

Double open end wrench