... corrugated paper. 0.36 * 12.7mm 0.36 * 16mm 0.5 * 16mm 0.5 * 12.7mm 0.5 * 19mm 0.6 * 16mm 0.6 * 19mm 0.7 * 19mm 0.8 * 19mm 0.8 * 32mm 0.9 * 19mm 0.9 * 32mm and ... comparison table:BWG28 × 3/8", 1/2", 5/8"(0.36mm × 9.5mm, 12.7mm, 16mm)BWG27 × 3/8", 1/2", 5/8"(0.40mm × 9.5mm, 12.7mm, 16mm ... )BWG26 × 1/2", 5/8", 3/4"(0. ...