Shop 9μm Diamond Fiber Optic Lapping/Polishing Film (50 pcs/pack) for fast and efficient first-stage polishing of SC, LC, FC, ST, and MPO connectors. Available in round (Φ70mm, Φ110mm (4.3"), Φ127mm (5"), Φ203mm (8")) and square (114mm × 114mm, 152mm × 152mm, 228mm × 280mm) sizes.