Is there a shorter ground connection for the P2220 probe than the 6" one that comes with it?

Is there a shorter ground connection for the P2220 probe than the 6" one that comes with it?

Yes, it uses the same accessories as the P61xxB family of 5mm probes, so there is a 3" grounding lead set consisting of the 175-0849-00 (3" wire and clip) and the 344-0046-01 (alligator clip).