... combination spanner wrench 1) Material: #45Steel,Cr-v,40Cr 2)Size:6mm-32mm 3)Standard:DIN 3113, ISO 7738 stainless steel combination ... Spanner wrench1) Combination spanner, drop forged, heated treatment 2) Material: carbon steel ... ,double blister card (or according to clients' requests) stainless steel combination spanner wrench