Fluke Networks NFC-IBC-1.25MM IBC OneClick Cleaner for 1.25 mm LC and MU Connectors and End Faces (Pack of 5), Fiber Tester Accessory Simple pushing motion to engage tool Audible CLICK to alert the user when tool is fully engaged Clean over 500 end faces per unit Tip extender to 208mm for hard to reach connectors Crush resistant to over 250N