Shaft Grounding Ring, Compatible Motor Frame 284T, 286T, 324TS, 326TS, 364TS, 365TS, For Motor Frame Type NEMA, For Nominal Shaft Diameter 1 7/8 in, Material Aluminum, Ring Construction One Piece, Ring Outside Diameter 3 1/4 in, System of Measurement Inch, Features Designed to Help Extend Motor Life by Safely Diverting Harmful VFD