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| Material: | Aluminum Body / Steel Mandrel |
| Surface Finishing: | Polish with coat painting / Zinc Plated |
| Diameter: | 3.2mm, 4.0mm, 4.8mm, 6.4mm (1/8", 5/32", 3/16", 1/4") |
| Customized: | Special colorful paint as client's requirements |
| Standard: | DIN 7337, GB12618, ISO15977, Customized size |