6PCS COMBINATION WRENCH SET IN PLASTIC HOLDER -SUPERIOR QUALITY. -DROP FORGED,COLD STAMPED.HEAT TREATMENT. -FULLY HARDENED. COMBINATION WRENCH SET IN PLASTIC HOLDER-MATERIAL:CHROME VANADIUM / CARBON STEEL-SETS:6PCS;8PCS;10PCS.12PCS,14PCS AND SO ON-SURFACE:MATT FINISH / MIRROR POLISHED-PACKING:INNER BOX AND MASTER CARTON 6PCS COMBINATION WRENCH SET IN PLASTIC HOLDER