Description Specifications Length: 51 inches (1295.4 mm) Inner diameter (ID): 0.8 inches (20.32 mm) Outer diameter (OD): 0.985 inches (25.039 mm) Material: PolyethyleneCompatibility: Designed for automatic cutting machine (4 shafts, 2 blades) Packaging Weight of 40 pieces: approximately 1.5 kg Packing dimension for 40 pieces: approximately 1.41 m x 0.2 m x 0.2 m