The TBX51-MM features the OS420 light source for use with premises and campus cabling networks that utilize multimode fiber. The ST connector outputs can be adapted to any cable plant with hybrid adapters or hybrid cables. The OS420 becomes a powerful low cost troubleshooting and maintenance tool when used with an Advanced Fiber Solutions OM120 (included with this kit) or OM220. Tool Kit includes: Safety Glasses, Sapphire Scribe, Armored Tubing Cutters, Kevlar Scissors, Needle Nose Pliers, Rotary Cable Stripper, Fiber Optic Stripper, Buffer Tube Stripper, Crimp Tool, Tweezers, Polishing Puck, Polishing Plate, Continuity Tester and a 100x Microscope. This kit contains everything you need to test and repair Multimode and Singlemode fiber cables. Order online today!