This is a Killark 200 amp back box with 2" threaded opening. Works with all
major brand 200 amp recetacles like Crouse Hinds, Appleton, Killark, etc.
Check my feedback and buy with confidence. We have been in business for
20+ years. As with all my listings, your satisfaction is guaranteed. I can
ship same day ups if the order is received before 3:30 pm central. Check my
store for more fittings or contact me for items not listed.