The file 'Rotor Retainer 3D Printer Model' is (stl) file type, size is 11.9KB.
This is a brake rotor retainer. Used with a lug nut, it holds a brake rotor flush while assembling the brake caliper mount, pads, and caliper.
The small chamfer on the other side is for Toyota shank-style lugs.
Rotor_Retainer.stl | 51.6KB |