Item No.: H05B765
·Material :40CR   
·SIZE：3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-1/4"    
·Surface treatment: Chrome plated   
·Heat treatment