Replacement Blade C for the FoamWerks Foamboard Straight Cutter, Straight/Bevel Cutter, Rabbet Cutter, and V-Groove Cutter. Package of 20. Pack of 20 Use for sharp accurate cutting with Logan Straight Cutter, Straight/Bevel Cutter, Rabbet Cutter, and V-Groove Cutter. FOR USE ON STANDARD FOAMBOARD ONLY and not for hard plastic or regular mat cutters. MUST USE FOAMBOARD OR MATBOARD UNDERLAYMENT WHILE CUTTING for a smooth clean cut and for proper blade maintenance. Convenient 20 pack of brand new blades for your Straight Cutter, Straight/Bevel Cutter, Rabbet Cutter, and V-Groove Cutter. use for home framing or professional framing needs. Use caution as blades are very sharp. This is a specialized blade for your Logan Graphics FoamWerks Straight Cutter, Straight/Bevel Cutter, Rabbet Cutter, and V-Groove Cutter only. Will not work with other machines.