Shaft Grounding Ring, Compatible Motor Frame 254T, 256T, 284TS, 286TS, For Motor Frame Type NEMA, For Nominal Shaft Diameter 1 5/8 in, Material Aluminum, Ring Construction One Piece, Ring Outside Diameter 3 in, System of Measurement Inch, Features Designed to Help Extend Motor Life by Safely Diverting Harmful VFD