30km Fibre Optic Cable Visual Fault Locator Tester Meter with 2.5mm Universal Connector for FC/SC/ST Connections – Red Light VFL Pen, Fiber Network Cable Adapter Test Kit, Light Source Tester Planer blades Featuring an advanced 4-layer filtration

Featuring an advanced 4-layer filtration system made from non-woven fabric

Crafted from high-strength alloy steel

Built to resist rust

This helps reduce allergens while ensuring a deeper clean

this ruler is compact

30km Fibre Optic Cable Visual Fault Locator Tester Meter with 2.5mm Universal Connector for FC/SC/ST Connections – Red Light VFL Pen, Fiber Network Cable Adapter Test Kit, Light Source Tester Planer blades Featuring an advanced 4-layer filtrationPrecise Fault Detection This visual fault locator accurately identifies and pinpoints fibre breaks, poor connections, bends, and cracks. It emits a bright 650nm red light for fibre tracing, with breaks or faults causing the light to refract. Advanced Features Equipped with multiple functions, including constant output power, low battery warning, extended battery life, and long distance detection. It efficiently verifies fibre routing and continuity,