The Precision Rules® line of products are designed for critical kiss cutting/creasing applications. Precision Rules® work in conjunction with all on-press finishing systems and are available in two heights, 0.6mm (.024”) and 0.9mm (.035”). Precision Rules® maintain a tolerance of ±.0002” providing an exact cut or crease with minimum pressure every time. Precision Rules® are designed and manufactured to the same standards as all H. S. Boyd products and are diamond sharpened and heat treated to insure maximum durability.