Click to expand Tap to zoom Summa Drag Knife 60' Dia: 1.5MM Offset: 0.5MM by Summa Save $-42.00 $42.00 | / SKU SUMMA-391-231 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This original blade is suitable for Summa S Class D-Series cutting plotters.This is the Original Summa Part (PN 391-231) Compatible With: SummaCut S One S Class 2