[Eevee] Can I create specular without refraction (IOR=1)?

[Kevin_Tee]

Hello,

I want specular on my object without it having refraction.
I use Principled BSDF with glass settings.
But to have specular, I need IOR more than 1.

Thanks.

[3D_Kit (Hüseyin Demirtaş)]

Look this.

[pixelgrip]

Why not use the clearcoat on top,like this?