Item No.: H15E755
*Material:40CR  
*SIZE:7-piece power nut driver bits: 3/16, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16 inch  
           7-piece power nut driver bits: 5, 5.5, 6, 7, 8, 10, 12 mm  
           1-pc. work belt storage clip  
*Overall length：48mm  
*Surface treatment:Sand blasted     
*Heat treatment