Double ended ring spanner 1)Material is Carbon Steel 2)Finish:Chrome plated 3)Sunk panel design 4)Heat treat drop forged ring spanner types 1.Material: stainless steel or CR-V 2.Surface Finished: mirror polished,matt or sation,chrome plated3.Size(mm): 6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,32mm Our products with reasonable price and good quality,it feels so ...