I purchased this faucet and it seems like an easy enough installation. The bottom of this new faucet looks like this:
Seems like all I have to do is screw something in and it will attach the faucet to my counter top.
My old faucet:
Doesn't seem like it has the same mechanics. This is what I see under my kitchen counter top:
How do I get that off? I've tried twisting it as if the shaft is threaded but I don't think it was loosening at all.