The Viavi FBPT-MIL-1S PC Socket Tip probe tips attach to the FiberChek and FBP-P5000i Inspection Probes. Some of them can also be connected to the FiberChek Sidewinder with an adapter for use with simplex inspection. In addition to being used for bulkhead and patch cord inspection. The FBPT Series is typically used to inspect Military and Aerospace connectors that have multiple pins and sockets in a single connector interface.