T. C. Wear Parts for Extrusion Hydromech are available with different ranges of Pipes, 162 mm, 150 mm, and 133 mm. Tun-Car India Ltd. Manufactures T. C. Wear Parts for Extrusion Hydromech. Tun-Car India Ltd. Also manufactures Grooved Rollers, T. C. Knurled Rings, and Wire straightening checking gauges. T. C. Wear Parts for Extrusion Hydromech come with 15 X 18 mm / 20 X 18 mm / 15 X 20 / 20 X 20 mm extrusion dies. It has 15 X 40mm Nipples. The range of its knurled rings is 131 diameter X 12.5 mm.