POLISTAR-TUBE products are made of multi-layered cross buffs that are riveted together. They are designed for working on the inner surfaces of pipes and pipe bends. Use cross buffs with the suitable flexible shafts 7 PST-T DIN 10/M5 (EDP 94274).
| # Manufacturer Number | 42732163 |
| Diameter External (Inch) | 4" |
| Hole Diameter (Inch) | 1/5" |
| Number of Layers (Inch) | 8 |
| Maximum RPM | 3820 |
| Abrasive | Aluminum oxide A |
| Drive Type | Flexible shaft drive |
| Product Type | Cross Buff |