combination spanner 1.drop forged with Cr-V or high quality carbon steel 2.Satin finsh,chrome plated 3.size:6-7mm drop forged combination spanner 1.Material: Cr-v / 45# C drop forged steel·2.Size:6"-32"·3.Surface:Heat treatment,Electroplated treatment,Fully polished,Chrome plated /mirror polished / black finished4.Packing : plastic hanger, pvc bag, plastic shelves , non-woven fabric bag ...