"D" shape opening as shownDescriptionModel numbers this knob will fit: Hoover2300Cooktop Jenn-Air2300ERSCooktop - Electric Jenn-Air2320ERSCooktop - Electric Jenn-Air2325ERSCooktop - Electric Jenn-Air2350EGSCooktop Hoover2365Cooktop Jenn-Air2365EGNCooktop Jenn-Air2365EGSCooktop Hoover2370Cooktop Jenn-Air2370EGSCooktop Jenn-Air2375ERSCooktop Jenn-Air2380EGSCooktop - Electric Jenn-Air2385EGNCooktop - Electric Jenn-Air2385EGSCooktop - Electric Jenn-Air2390ERSCooktop - Electric Hoover2475Cooktop Hoover2480Cooktop Hoover2485Cooktop Hoover2490Cooktop Hoover2650Cooktop Jenn-Air3860ERSCooktop - Downdraft, Electric Jenn-Air3875ERSCooktop - Electric Jenn-Air3890ERSCooktop - Electric Hoover4760Range Hoover4770Range Hoover4775Range Hoover4790Range Hoover4855Range Hoover4860Range Hoover4870Range Hoover4875Range Hoover4890Range Jenn-Air87848Cooktop - Electric Jenn-Air87849Cooktop - Electric Jenn-Air88168Range - Freestanding, Electric Jenn-Air88169Range - Freestanding, Electric Jenn-Air88170Range - Freestanding, Electric Jenn-Air88353Cooktop - Electric Jenn-Air88353-8Cooktop - Electric Jenn-Air88368Range - Freestandi....