1) product: blue steel packing strip 2) size: thickness 0.36-1. ... , 12.7, 16, 19, 25.4, 32mm 3) kinds:white, blue, 1) product: blue steel packing strip with oil or wax2) size ... : 9.5, 12.7, 16, 19, 25.4, 32mm3) kinds:white steel packing, blue steel, paint baked steel (black, green, gray ...