Cut foamboard V-grooves to perfection using the FoamWerks Foamboard V-Groove Cutter. Features include adjustable blade depth, quick change blade clips, magnetic blade slot, on-board blade storage drawer and five blades. Will V-groove in up to 1/2" thick foamboard. Use with FoamWerks Channel Rail, Logan Adapt-A-Rule or Team System. Use replacement blades WC-5, WC-20 or WC-50. IMPORTANT: Always use a scrap piece of foamboard underneath the piece you are cutting. This is to protect the tool and extend the life of the blades.