Thomas & Betts LTZES07B-C LFMC HLFR 2IN BLK 30M/100FT

It's 2 inch trade size liquid tight flexible metallic conduit, supplied as a 100 foot (30 m) coil in black. One coil covers a 100 foot run, so plan your pulls around that length rather than expecting a cut-to-order footage.

There's a galvanized steel core under the black jacket, which is what makes it metallic rather than nonmetallic flex. The steel gives it crush resistance and mechanical protection that liquidtight nonmetallic (LFNC) conduit doesn't provide, while the jacket keeps moisture out.

For a motor whip or equipment connection exposed to weather, washdown, or physical abuse, the metallic version is the one to reach for: the LTZES07B-C has a galvanized steel core, so it takes impact and crush loads that a plain nonmetallic liquidtight would not. Nonmetallic flex is lighter and easier to bend, which suits low-abuse interior runs. Either way you still need liquidtight fittings rated for the conduit type at each termination.

At 2 inch trade size, don't rely on the steel core as the equipment grounding conductor. The flexible metal core of liquidtight is only recognized as a ground path in the smaller trade sizes and short lengths, so on a 2 inch run pull a separate equipment grounding conductor sized to the circuit overcurrent device.