We are offering black finished steel strip, ] 1.manufacturer: linyi liangyu steel strip co., ltd 2.product :black finished steel strip 3.spec:thickness:0.25-2.5mm width:30-260mm 4.hardness:46-48 5.each coil weight: 60-150kgs 6.superior: in flatness, stability, useful material coefficient and surface smoothness and cleanness. 7.the grade of steel are: 65mn, 50# 8.application: the products are widely used in tool & hardware, various mud trowel, shovel, woodworking band saw, automatic clutch patch, reeling shutter spring steel strip(round page), horologe clockwork spring, locking making, shoes material, hook material, spin, standard stamping, packing strip, and other industrial -used steel strip. 9.packing:uniform packing, such as oiled, plastic film inside, hessian cloth outside and iron pallet, or paper packing, as per customer's requirement.