Features and Benefits -------------------------------------------------------------------------------- High quality, unique hole structure provides optimum absorption of oil, grease and cutting fluids. 4-Ply construction absorbs 4 times more, and over 4 times faster than rags. Tork Advanced 440 Wipers have a rough side and a smooth side. Rough enough for stubborn dirt and smooth enough for sensitive surfaces. This product contains 100% synthetic and virgin fibers. Replaces 132451. AKA 132451A. Sold only by the case. Four (4) packages per case.