This is one Range Top Surface Burner Knob, which can fit numerous General Electric, Hotpoint, and other stove tops.

Roughly 2.0 inches in diameter, or 2.2 inches if considering handle length. Hole for stem is roughly 0.23 inches in diameter with double flats. Glossy/reflective Chrome-like finish on plastic.

Please see photos and ensure this is what you need for your stove.

Compatible with WB03T10284. Replacement part for 1373043, AP4346312.