Description Dimensions: Diameter (D) = 4mm Cutting length (l) = 14mm Total length (L) = 50mm D attach (S) = 4mm   4mm Single Flute Down Spiral Router dedicated for cutting of Plastic materials. For milling in plastics: ACRYLIC (dedicated) PE – polyethylene PE-LD – low pressure polyethylene PE-HD – high pressure polyethylene PP – polystyrene PS-E – expanded polystyrene (foamed polystyrene) PW – polycarbonate PVC (PVC) – polyvinyl chloride PETF – polyesters PA – polyamide ABS, POM, PMMA, etc.