B-Line Eaton series strut fittings and accessories, 3.93" Height, 5.43" Length, 1.68" Width, 1.56lbs, Steel, Eight hole double wing fitting, Stainless

It's an eight hole double wing fitting, part of the Eaton B-Line strut fitting line. The double wing shape lets you tie strut channel together at a corner or junction with bolted connections through eight holes, so you can build up racks, supports and hangers without welding. Overall it measures 3.93 in height, 5.43 in length/depth and 1.68 in width.

Stainless steel type 304. The base material is steel with a type 304 stainless designation, which is what you want for damp, washdown or coastal exterior runs where plain electro-galvanized fittings would rust out.

Order MPN B272SS4 from Eaton's B-Line series. The SS4 suffix is the type 304 stainless version of the B272 double wing fitting.

The B272SS4 is supplied as the fitting only, at 1.56 lb. Hardware to attach it, the strut nuts and bolts sized to your channel, is ordered separately, so add that to the same order if you're building out a run.

For exterior, corrosive or washdown environments, the type 304 stainless B272SS4 is the right call, since the corrosion resistance is in the material itself rather than a coating that can be scratched through during install. For dry indoor electrical rooms, a standard finish B272-style fitting does the same mechanical job at less cost. The geometry is the same eight hole double wing either way.

1.56 lb each. That matters when you're stacking dozens of fittings into a trapeze support run and adding up dead load on the structure above.