Duo Spiral Plastic Tubing Pun-4X0, 75-S-0, 5-Duo-Bs Highly Flexible, Hydrolysis Resistant to a Great Extent Working Length=0, 5 M, Outside Diameter=4 Mm, Block Length=0, 268 M, Inside Diameter=2, 6 Mm, Coil Diameter=25 Mm