SUM-391-363- SC & D-SERIES THICKER MATERIAL KNIFE HOLDER Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: SUM-391-363 Did You know.... Description Knife holder for thicker material on SummaCut and Summa S Class D2 roll cutters. Description Back DescriptionKnife holder for thicker material on SummaCut and Summa S Class D2 roll cutters.