It comes calibrated for Cat 5E cable, however, using the adjustment screw, it can easily be adjusted for Cat 6 cable.
Cable Stripper for Standard UTP Cable, Cat 5E & 6TL230
14 Gauge Outdoor Rated Standard Power Cord Extension, NEMA 5-15P to NEMA 5-15R, SJTW 14/3, UL Listed
3U (5.2") Solid Utility Shelf for 19" Racks, 16” Deep, 150lb Weight Limit, Black
1U (1.75") Solid Utility Shelf for 19" Racks, 12” Deep, 45lb Weight Limit, Black
Outdoor Gel Filled SSTP (Double Shielded Twisted Pair) Cat 6 Network Patch Cable