... .5mm Material: C50, C67, 1075 Usage: shutter spring, band saw, saw, tools Steel strip Packaging Detail:Uniform packing or as per customers' requirementsDelivery ... ) Material: C50, C67, 1075 3) Usage: shutter spring, band saw, saw, toolsFeatures of steel strip:1) Color: white yellow, blue, purple and black2 ...