Item No.: H05C787
·45# Carbon drop forged,Heat treatment   
·Full polish，Chrome plated   
·SIZE:Metric: 6, 8, 10, 12, 13, 14, 15, 17, 19mm   
·SAE: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4”